Once Human: Isles of Abyss – Official Ocean Expansion Reveal Trailer | gamescom 2026

Explore the forgotten waters of Nalcott, set sail on your raft, cross uncharted islands, and descend into the deep in this upcoming ocean expansion for Once Human. Watch the Once Human: Isles of Abyss announcement trailer for the upcoming ocean expansion for the free-to-play open-world survival crafting game. The Once Human: Isles of Abyss trailer showcases places you’ll explore, gameplay, combat against new foes, and a peek at boss fights you’ll take on. Once Human is available now on PlayStation 5 (PS5), Xbox Series X/S, Xbox on PC, PC, and mobile. The Once Human: Isles of Abyss ocean expansion will be available in October 2026.

Once Human: Isles of Abyss – Official Ocean Expansion Reveal Trailer | gamescom 2026

The latest reveal from the Gamescom 2026 stage sets a bold course for the future of exploration and survival in the Once Human universe. Isles of Abyss expands the franchise’s horizons by plunging players into a vast, oceanic frontier where mystery, peril, and opportunity intertwine beneath the surface. The expansion trailer artfully introduces a new chapter defined by aquatic peril, towering reefs, and ancient secrets that echo through every creaking hull and shifting current.

Visuals and atmosphere anchor the experience from the first frame. Sunlight fractures through turquoise depths to reveal sprawling archipelagos, submerged ruins, and colossal sea abysses. The environmental design emphasizes scale and risk — currents can sweep the unwary toward uncharted trenches, while hidden alcoves promise rare resources and cryptic clues. The cinematic language conveys a sense of isolation tempered by the lure of discovery, inviting players to chart a route through uncertainty rather than simply conquer a map.

The core gameplay loop evolves with Isles of Abyss. Players will manage air supply, pressure, and stamina as they navigate submerged caverns and wrecked vessels. Crafting shifts toward ocean-first utilities: buoy markers, pressure-resistant exosuits, modular submersibles, and salvage drones designed to harvest salvaged tech without inviting the attention of undersea predators or rival factions. The expansion also introduces dynamic weather and tidal patterns that alter traversal routes and resource spawns, ensuring no two expeditions feel the same.

Narrative threads thread through exploration, offering fragmented logs, ancient maritime relics, and echoes of a civilization that thrived beneath the waves before vanishing. Players can assemble these fragments to unlock lore-driven quests, unravel the fate of submerged cities, and influence the balance of power among competing factions who covet the abyss’s secrets for themselves. The drumbeat of discovery is complemented by moments of quiet reflection — a reminder that the sea’s vastness is as much a character as any captain, crew member, or antagonist.

From a combat perspective, Isles of Abyss scales tension in fresh ways. Encounters with aquatic behemoths, stealthy ambushes from submerged alcoves, and rival explorers create a tempo that rewards patience and precision. Players will need to leverage the environment—temperature shifts, bioluminescent blooms, and pressure vents—to gain the upper hand. Customizable submersibles offer new tactical options, enabling rapid dives, stealth passes, or heavy-armor dives that withstand the ocean’s relentless pressure.

Technical highlights emphasize fidelity and responsiveness. The trailer showcases physically plausible water physics, immersive audio design with muffled creaks, distant rumbles, and the cyclical lull of underwater currents. Lighting embraces a cinematic approach: shafts of light penetrating the deep, schools of luminous fish weaving through shipwrecks, and the stark contrast of sunlit reefs against the abyss’s shadowed silhouettes. Performance targets prioritize smooth traversal across diverse underwater terrains, with scalable LODs and optimized streaming to maintain immersion during prolonged underwater expeditions.

Isles of Abyss also introduces new progression systems. Players will unlock specialized roles focused on oceanic exploration, each offering unique abilities, gear trees, and mission archetypes. Cooperative play expands to include synchronized submersible ventures and shared salvage operations, encouraging strategic teamwork as crews coordinate air, ballast, and dive timing to reach submerged objectives together.

In summary, the officially revealed ocean expansion forOnce Human promises a deep, thoughtfully designed extension to a beloved world. It reframes exploration as a multifaceted odyssey beneath the waves, where every dive tests nerve, wit, and ingenuity. As the tides rise and the abyss listens, players are invited to uncover forgotten chronicles, outmaneuver formidable undersea forces, and define the destiny of humanity’s next great venture — below the surface.