Impulsion

"Impulsion" is a single-player shooter game with sensational gameplay that takes about 80 hours to beat. It features 25 challenging levels, a story mode with science-fiction elements and funny dialogues, as well as competitive and speedrun modes with Steam leaderboards. The game requires a 64-bit processor and operating system, 2 GB RAM, a Nvidia GTX 660 or equivalent, and 4 GB of available space.