I am not a Monster: First Contact

Multiplayer mode for 6 players with Mafia-style gameplay elements and randomly-assigned roles. Play as monsters or humans.

A tourist space liner is overtaken by monsters capable of disguising themselves as humans. The bravest passengers decide to fight off the aliens and save civilians. But who's human and who's a monster?<br><br><span class="bb_img_ctn"><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1174290/extras/f4f51648ba96d4c975c3bf4c46aa3864.avif?t=1749134428" width=600 height=296 /></span><h2 class="bb_tag" >For humans</h2><br><ul class="bb_ul"><li>Trust no one: analyze other players' actions and figure out who the monsters are.<br></li><li>Save passengers and destroy the aliens.<br></li><li>Combine various weapons to get unique abilities and turn the tide of the battle.<br></li><li>If a monster infects you, you only have a couple of turns to heal. Otherwise, you'll become a monster too!</li></ul><h2 class="bb_tag" >For monsters</h2><br><ul class="bb_ul"><li>Disguise yourself to move around safely.<br></li><li>Earn the trust of other players and avoid their suspicions.<br></li><li>Infect passengers to be reborn in their bodies if they kill you.<br></li><li>Infect your opponents to turn them into monsters.<br></li><li>Use the aliens' psychic connection to see what other monsters see.</li></ul><h2 class="bb_tag" >Two-stage turn-based gameplay</h2><br>Each turn consists of two time-limited phases:<br><br><ul class="bb_ul"><li>Planning: players select actions<br></li><li>Action: all planned actions are performed simultaneously</li></ul>

Good Game Database

I Am Not A Monster - Multiplayer Version Achievements