A free program for Android, by Erabit Studios.

20 Minutes Till Dawn is a role – playing game  in which you must dispatch wave after wave of monstrous enemies. Select among a wide range of characters and weapons for a number of different of gameplay experiences. You can be a fire wizard, igniting monsters with every shotgun blast, or an agile ninja wielding magical knives to pierce your opponents.

There are over 80 various upgrades available to select from, ensuring that each run is distinct. If you’re pressed for time, you can play quick 10-20 minute sessions. The game includes a Rune System that assists you in becoming powerful.