In recent years, the Blue Humanities [1], scholarship concerned with oceans, rivers, and aquatic ecologies, has begun to confront a new medium: digital technologies. Video games, virtual reality (VR), AI?driven environments, and other immersive media are no longer peripheral; they shape how we imagine, experience, and respond to water in times of environmental crisis. This essay argues that these digital environments produce ecological spectralities, ghosts of what could be: lost ecosystems, polluted seas, and hydropolitical futures [2] that both haunt the consciousness and offer pedagogical openings. However, they are double-edged: while they can foster empathy, care, and awareness, they also risk flattening complex hydropolitics or oversimplifying ecological harm. After surveying examples and theoretical approaches, this essay identifies the core issue and proposes a multi?layered solution for deploying immersive Blue Humanities in responsible, justice?oriented ways.

Theoretical Framework: Hydropolitics, Ecological Spectralities, and Digital Imaginaries

Hydropolitics examines the governance of water resources, with a focus on access, control, and the geopolitical dynamics between upstream and downstream regions [3]. It examines how water scarcity, pollution, damming, and climate change impact power dynamics among communities, states, and ecosystems. Hydro-hegemony theory [4] explores how dominant states exert control over shared water resources, influencing policies and access through economic, political, or infrastructural means. Studies highlight how upstream nations' control over water impoundment and damming can escalate conflicts with downstream states, emphasizing the need for cooperative governance frameworks. Research indicates, as shown in Figure 1, that climate change exacerbates water scarcity and alters hydrological cycles, intensifying geopolitical tensions and affecting regional stability. These dynamics are particularly pertinent in regions like South Asia, where Transboundary Rivers such as the Mekong, Brahmaputra, and Indus are central to both geopolitical strategies and ecological sustainability. Spectrality in ecological critique refers to the presence of environmental entities that are no longer visible or have been lost, such as extinct species, degraded ecosystems, or future ecological states that may arise under climate change.

Figure 1: Navigating Water Complexities.

These "haunting presences" challenge our understanding and representation of environmental loss and transformation. The decline of coral reefs, driven by factors like ocean acidification and overfishing, exemplifies spectrality. Reefs that once teemed with life are now ghostly remnants, their absence affecting biodiversity and ecosystem services.

• Future Ecologies: Speculative narratives envision future oceans impacted by climate change, serving as both warnings and reflections on current ecological trajectories.
• Cultural Representations: Art and media often depict these spectral entities, prompting reflection on environmental loss. However, there is a risk of reducing them to mere aesthetic tropes without grounding in real political ecology.

Engaging with these spectralities requires a critical approach that connects cultural representations with ecological realities and political contexts.

Digital Blue Humanities is an interdisciplinary field that integrates digital media, environmental humanities, and ocean studies to examine human relationships [5] with the ocean through immersive technologies. Immersive experiences such as The Blu employ virtual reality to create interactive underwater environments, enabling users to witness both the beauty of marine ecosystems and the realities of their degradation (en.wikipedia.org). Similarly, environmental storytelling in video games like Subnautica and Abzu embeds oceanic themes within gameplay, fostering ecological awareness and empathy toward marine life. These digital platforms not only provide innovative modes of engagement but also function as cultural reflections, offering spaces where narratives of human impact on marine environments can be explored, thereby bridging the gap between scientific knowledge and public perception. By engaging with these media, audiences are encouraged to develop a more personal connection to oceanic issues, which can inspire greater advocacy and action for marine conservation.

The interconnections between hydropolitics, spectrality, and digital blue humanities provide a critical and multifaceted framework for examining contemporary environmental challenges. Hydropolitical dynamics determine which ecological issues gain visibility and whose perspectives are prioritized, thereby shaping cultural representations and influencing the thematic focus of digital media projects. At the same time, digital blue humanities can serve as a powerful platform for amplifying marginalized ecological narratives. However, ethical engagement is essential to ensure these representations remain grounded in real-world political and environmental contexts, avoiding the pitfalls of exploitation or oversimplification. Moreover, through speculative and immersive media, future imaginaries are created, allowing audiences to envision alternative ecological futures that disrupt dominant narratives and inspire more sustainable and equitable approaches to water governance. Taken together, these concepts underscore the need to integrate ecological understanding with cultural representation and technological innovation to more effectively address the complex and pressing issues confronting marine ecosystems and global water bodies.

Subnautica

Subnautica, an immersive underwater survival adventure game [6] developed by Unknown Worlds Entertainment and released in 2018, exemplifies the intersections of hydropolitical futures and ecological spectralities within the digital blue humanities. Set on the alien oceanic planet 4546B, players inhabit the role of Ryley Robinson, a lone survivor navigating the vast and mysterious waters after a spaceship crash. The game’s mechanics, exploration, resource management, and environmental storytelling immerse players in both the beauty and precarity of aquatic ecosystems. A central feature, the “ecological dead zone,” embodies spectrality: it is an expansive, perilous space that signifies absence, loss, and invisible environmental damage while simultaneously offering an aesthetic and interactive experience. As Maartje Borra’s thesis [7] (“Exploring Uncharted Territory in an Adventure-Diving Game: A Framing Analysis of Subnautica’s Ecological Dead Zone …”) demonstrates, this representation, though scientifically simplified, frames ecological danger in ways that spark dialogue among players, particularly through online forums and user-generated content. Such exchanges transform the game into a participatory site of environmental discourse, where cultural reflection and ecological awareness converge. Viewed through the lens of hydropolitics, Subnautica, as shown in Figure 2, dramatizes the governance of water worlds, who survives, what knowledge counts, and which spaces remain inaccessible or dangerous—mirroring real-world tensions around marine exploitation and environmental stewardship. Thus, the game aligns with the research theme of Hydropolitical Futures and Ecological Spectralities in the Immersive Oceans of the Digital Blue Humanities by simultaneously enacting speculative aquatic futures and foregrounding the spectral presence of ecological crisis within an interactive, digital medium.

At its core, Subnautica is a first-person open-world survival game that intricately blends mechanics of exploration, resource management, and environmental storytelling. Players begin with minimal supplies after the crash of the Aurora. They must scavenge materials from the ocean to craft tools, build bases, and construct vehicles, all while managing vital needs such as health, hunger, thirst, and oxygen. The game’s vast underwater world spans diverse biomes, from vibrant coral reefs to the ominous depths of the Lost River—each populated with unique flora and fauna, ranging from benign creatures to hostile predators, such as Reaper Leviathans and Warpers. Crafting and base-building enhance the survival experience, enabling players to create secure havens equipped with storage, power sources, and advanced technology. The narrative unfolds through environmental cues and data logs, gradually revealing that the planet is quarantined due to the Kharaa Bacterium, a deadly infection the ancient alien Architects once sought to contain. Central to the story is the Sea Emperor Leviathan, whose telepathic guidance enables players to synthesize a cure, ultimately leading to both survival and escape. Acclaimed for its atmospheric design, immersive mechanics, and innovative, non-violent approach to survival gaming, Subnautica received numerous awards and inspired a sequel, Subnautica: Below Zero, which expands the universe into Arctic-like waters. Combining tense survival elements with a poignant storyline, the game offers a distinctive digital oceanic experience that situates exploration, ecological interdependence, and narrative discovery at its heart, making it a landmark title within the survival-adventure genre.

Figure 2: Subnautica VR Game.

EcoDive (VR Game for Marine Debris & Coral Bleaching)

EcoDive is an immersive virtual reality (VR) serious game [8] designed to raise awareness about the growing threats of ocean pollution and coral bleaching. Unlike conventional entertainment-focused games, it is purposefully structured to educate players about the challenges marine ecosystems face under human-induced stress. By embodying the role of a diver, players are not merely observers of underwater beauty but active participants tasked with mitigating damage, such as collecting debris, discarded fishing nets, and plastic waste, while navigating coral reefs teeming with marine life. This blend of interactivity and ecological responsibility transforms the game into a platform where play and pedagogy converge. The gameplay objectives emphasize both environmental action and emotional engagement. Players witness firsthand the effects of pollution as ecosystems shift, corals bleach, and species decline. As they progress, EcoDive provides diegetic feedback, changes in the environment that directly reflect player choices, demonstrating the fragility of marine ecosystems. This design encourages players to recognize how small actions, such as reducing plastic usage in daily life, contribute to broader ecological preservation. However, EcoDive also incorporates a sobering mechanic: if pollution accumulates beyond recovery, the game inevitably comes to an end. This "game over" moment is not a failure of the player but a deliberate commentary on the futility of reactive solutions without systemic change, highlighting the urgency of prevention over cure. From an educational perspective, EcoDive leverages VR’s immersive capacities to simulate real-world underwater conditions, fostering empathy and ecological awareness. Through interactive 3D models of marine life, dynamic lighting, and ambient environmental sounds, the game creates an authentic sense of presence that traditional media cannot match. By blending scientific accuracy with engaging gameplay, it not only conveys the interconnectedness of marine ecosystems but also stresses their vulnerability under environmental stress. Players leave with a deeper understanding of oceanic fragility and the importance of sustainable practices in preserving biodiversity. EcoDive exemplifies how immersive digital tools can contribute to both environmental education and activism. It transcends entertainment to become a form of advocacy, using VR to create visceral connections between players and the ocean’s plight. By balancing hope through individual action with stark warnings about systemic neglect, EcoDive underscores the role of technology in shaping hydropolitical futures and ecological consciousness. As such, it stands as a powerful case study within the digital blue humanities, demonstrating how serious games can transform cultural engagement with pressing ecological crises.

Echo of the Abyss

Echo of the Abyss is an immersive virtual reality (VR) experience developed by Carnegie Mellon University’s Center for Transformational Play, designed as a contemplative journey [9] into the ocean’s depths through freediving. Unlike traditional VR games that emphasize challenge or survival, this experience adopts a meditative approach, guiding users from the ocean’s shimmering surface to its most enigmatic trenches. Along the way, players encounter a diverse array of marine species, ranging from familiar creatures to the mysterious giant squid, accompanied by realistic visuals and spatial audio that simulate the vastness and silence of the underwater world. The aim is to shift perceptions of the deep sea from an alien, frightening space to one of beauty, wonder, and stewardship.

The experience integrates ecopsychology and the concept of the hydrocommons, which frames water as a shared cycle connecting human and non-human life. This philosophical underpinning invites players to consider their place in a planetary system of exchange, emphasizing interdependence and responsibility. Interestingly, the design team observed that players often treated the digital creatures with care and hesitation, reluctant to touch or disturb them even when the experience encouraged interaction. This natural empathy suggests that the immersive aesthetics, combining rich visual detail, resonant sound design, and subtle interactive cues, successfully fostered an emotional bond between players and marine life.

Although Echo of the Abyss, as shown in Figure 3, has not yet been released publicly, its development signals an important step forward in using VR to cultivate environmental empathy and reframe how people think about oceanic ecosystems. By immersing users in a realm often dismissed as unknowable or dangerous, it transforms the deep sea into a site of connection and vulnerability, reinforcing the urgent need for its protection. As a project situated at the intersection of digital blue humanities, ecopsychology, and environmental advocacy, Echo of the Abyss demonstrates the potential of VR not only as a storytelling tool but also as a medium for ethical engagement and ecological consciousness.

Figure 3: Echo of the Abyss.

REEF

REEF (Realistic Environmental Education Framework) is an immersive virtual reality (VR) platform developed by Janet Ouyang and collaborators to enhance environmental education by providing realistic, interactive simulations of diverse ecosystems. The platform allows users to embody divers who navigate underwater habitats, guided by marine life such as sea turtles, creating a sense of presence and interactivity. One of REEF’s distinctive features is its dual-environment design, which juxtaposes a healthy reef against a highly polluted one. By allowing users to observe the direct effects of human-induced environmental damage, the platform fosters affective engagement, emotional reflection, and a more nuanced understanding of ecological degradation. This comparative approach helps learners visualize not only current environmental conditions but also potential spectral futures, where ecosystems are lost or irrevocably altered due to neglect and degradation.

The educational impact of REEF, as shown in Figure 4, is significant. By immersing users in lifelike reef environments, the platform enables learners to witness the consequences of pollution, overfishing, and climate stress on marine life. This experiential learning approach enhances comprehension of ecological principles such as biodiversity, energy flow, and ecosystem interdependence. Interactive elements, including guided exploration and decision-making scenarios, actively involve users, encouraging them to reflect on human actions and their ecological consequences. By combining scientific accuracy with emotional engagement, REEF transforms abstract environmental concepts into tangible experiences, fostering pro-environmental attitudes and encouraging stewardship.

Figure 4: REEF.

Technologically, REEF leverages advanced VR systems to create highly detailed and interactive simulations. Users experience dynamic underwater visuals, realistic creature behavior, and responsive environments that react to their actions. The platform’s design emphasizes accessibility, with an intuitive interface and compatibility across multiple VR headsets and operating systems, allowing individuals with varying levels of technological proficiency to engage meaningfully. However, despite its strengths, the platform also raises critical questions: the simplification of complex ecological processes, the risk of aestheticizing environmental harm, and potential limitations in translating affective responses into real-world action. Additionally, there are concerns about whose hydropolitical futures are represented, whether these simulations adequately reflect the voices of communities most affected by ocean degradation.

REEF represents a significant innovation in environmental education, blending immersive VR technology with experiential learning to enhance ocean literacy and foster emotional and cognitive connections to marine ecosystems. By enabling users to engage directly with both thriving and degraded reef environments, it illustrates the possibilities and challenges of digital blue humanities. While the platform effectively promotes awareness and empathy, it also underscores the need for critical engagement with representation, accessibility, and the translation of virtual experiences into tangible ecological action.

The Core Issue

While digital Blue Humanities media excel at generating affect, ecological awareness, and spectral imaginaries, they often exhibit three interlinked shortcomings that limit their engagement with hydropolitical realities, as shown in Figure 5. First, reductionism and simplification are common: complex issues such as unequal access to water, power struggles among riparian states, socio-economic drivers of pollution, and climate injustice are frequently condensed into game mechanics or visual motifs. For instance, in Subnautica, the “dead zone” effectively signals ecological danger but does not incorporate the upstream and downstream human communities or the political forces responsible for environmental degradation. Second, these media often prioritize spectacle and affect over justice. Immersive aesthetics, striking visuals, eerie underwater ghostscapes, or emotionally charged encounters can inspire awe or pity. However, they rarely provide avenues for players to translate these feelings into concrete, politically, legally, or policy-oriented action. Third, uneven access and representation constrain the reach and relevance of these works. Most immersive platforms are developed in the Global North for audiences with access to VR hardware and reliable internet, leaving critical hydropolitical issues in the Global South, such as dam displacement, ocean grabbing, and indigenous water rights, largely unaddressed. Together, these deficiencies risk rendering hydropolitical futures as allegorical or fantastical narratives rather than actionable frameworks that inspire activism, policy engagement, or systemic change.

Figure 5: Digital Blue Humanities Media Shortcomings.

Proposed Solution: A Multilayered Pedagogical & Design Approach

To harness digital Blue Humanities for just hydropolitical futures, a comprehensive approach that integrates design, pedagogy, and institutional strategies is essential, as illustrated in Figure 6. First, participatory and community-based design ensures that the voices of those most affected by hydropolitical issues—such as indigenous groups, coastal fisherfolk, and populations upstream and downstream—are incorporated into both narrative and gameplay. Co-creation with these communities grounds spectral futures in lived realities, incorporating stories of displacement, pollution, and contested access or ownership, rather than abstracted or aestheticized representations.

Second, layered narrative and systems thinking can transform immersive media into tools for understanding complex ecological and political interconnections. Games and VR experiences should integrate upstream/downstream water flows, state policies, climate models, and pollution sources, with narrative modules or tooltips that reveal these linkages. Mechanics that allow players to make choices with tangible consequences encourage active engagement, moving beyond linear “watch-or-play” structures toward interactive, system-aware experiences.

Figure 6: Digital Blue Humanities Fosters Just Hydropolitical Futures through Community-Driven Design and Action.

Third, action and reflection loops are critical for translating awareness into agency. Digital Blue Humanities projects should incorporate guided reflection, through debriefs or discussion prompts, and offer actionable pathways, such as resource lists, local engagement opportunities, or policy initiatives, enabling users to transition from emotional engagement to tangible environmental or political action.

Fourth, accessibility and representation must be prioritized to ensure equitable participation. Immersive tools should be affordable, culturally localized, and linguistically adaptable, especially for communities in the Global South. Likewise, hydropolitical conflicts and ecological futures from diverse geographies, Africa, Asia, and Latin America, should be foregrounded, countering the dominance of Global North aesthetics and narratives in VR and gaming.

Finally, cross-disciplinary collaboration and institutional support are indispensable. Ecocritics, game designers, environmental scientists, activists, and policymakers must collaborate to develop projects that are socially and politically engaged, rather than merely aesthetic or entertaining. Funding bodies and educational institutions should recognize and support such initiatives, fostering a landscape in which digital Blue Humanities can produce immersive experiences that are ethically grounded, politically informed, and capable of contributing to just and sustainable hydropolitical futures.

Digital media open unprecedented avenues for reimagining oceanic futures—immersing us in spectral seas, evoking empathy for marine life, and cultivating ecological consciousness. However, these immersive waters risk turning urgent hydropolitical struggles into distant aesthetics, admired but unacted upon. The solution lies in a deliberate orientation of design, narrative, pedagogy, and accessibility toward justice, community participation, and systemic accountability. By embedding reflection, choice, and real-world pathways into games and VR, the Digital Blue Humanities can transform speculative oceanic experiences into catalysts for action. In other words, the oceans we digitally inhabit should do more than haunt us, they should equip us to steward, protect, and reshape the real-world waters we depend on. This approach charts a course for Hydropolitical Futures and Ecological Spectralities that are immersive, affective, and, above all, transformative.

Acknowledgement

The authors acknowledge the scholarly and literary contributions that informed this study. Any remaining limitations are the responsibility of the authors.

Conflict of Interest

The authors declare no conflict of interest.

Undertaking Note

The authors declare that this manuscript is original, has not been published elsewhere, and is not under consideration for publication in any other journal.

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