inAntrum - Prototype is a full version action RPG and adventure game developed by Black Cave Entertainment. The game combines elements of popular games like Witcher and Zelda to create a unique gaming experience. The game is set in the city of Haven, and players have complete freedom to explore the city and its surroundings, including the underground maze beneath it.

As players progress through the game, they must complete quests to gain reputation and access more districts in the city. The quests provide more information about the game's world, characters, and races. Players must stand their ground against monsters and other enemies during dangerous missions in the underground maze. Combat is action-packed, with players needing to choose the right time to attack, dodge, and use their skills. Finding and upgrading armor and weapons is essential to staying alive in the game.

In addition to combat, players must solve tricky puzzles to gain access to more areas and special items. The game has a reputation system, and players must help citizens of Haven to gain access to more districts in the city. The game's story is engaging and provides a lot of depth to the game's world. Overall, inAntrum - Prototype is a challenging and engaging action RPG and adventure game that will keep players entertained for hours.