The video game Alien Reform is a 3D survival shooter. There are 6 unique maps in this game. Every 12 levels, these maps are updated. There is a "full boss" encounter before each level change. There are 4 heroes, and 3 of them can be bought. The "player daily XP" you earn at the end of each level is used to calculate a "daily leaderboard" at the end of the day.
There are 15 different sorts of sci-fi weapons, and in-game money can be used to buy and enhance them. Strong weapons are necessary to defeat strong zombies.