IRSEN is a turn-based roguelite where your character fights alone against coordinated enemy squads. Build your hero through a gene system, reshape your abilities mid-run, and endure the growing pressure of corruption.

IRSEN is a turn-based roguelite where your character fights alone against coordinated enemy squads.Explore procedurally generated dungeons, collect genes from defeated enemies, unlock new skills, and reshape your build during each run.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4668030/extras/7c947f4c520123d8670127e6afd5ed41.avif?t=1778187776" width=1560 height=117 />Develop your character through the gene system: combine genes, form gene chains, unlock new skills, and modify their properties.Corruption builds up over the course of a run. The deeper you descend, the stronger its influence becomes: your character gains mutations, and full overload means death.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4668030/extras/8b8d0df4b705a2dd224159416000c938.avif?t=1778187776" width=1560 height=117 />In each squad, enemies perform different roles and act together:<ul class="bb_ul"><li>protecting allies;</li><li>drawing attacks away from allies;</li><li>healing the wounded;</li><li>applying negative effects;</li><li>finishing off weakened targets.</li></ul>The combat system rewards thoughtful decisions: target selection, action order, and effective use of skills determine your survival.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4668030/extras/8969d40078064b2c132f8749515c4f81.avif?t=1778187776" width=1560 height=117 />Each run is built around adapting your character:<ul class="bb_ul"><li>experiment with builds;</li><li>discover synergies;</li><li>adjust to new threats.</li></ul>In the standard mode, you can reshape your build during a run using the Gene Lab, adapting skill properties to fit your strategy.In Iron Will mode, skill properties remain random: you must build around what you manage to find and adapt to the flow of the run.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4668030/extras/d205df2400911eb5292fa49781e7dfe1.avif?t=1778187776" width=1560 height=117 /><ul class="bb_ul"><li>Turn-based battles against coordinated enemy squads.</li><li>Build development through genes, properties, and skill chains.</li><li>The ability to reshape your skills during a run.</li><li>Procedurally generated dungeons.</li><li>Growing corruption, mutations, and the risk of death from overload.</li><li>Two ways to play: controlled build shaping or adapting to randomness.</li></ul>

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Irsen Achievements