Amplitude Studios and Valve are letting players try out the Endless Franchise this weekend starting today till Monday 10 AM PDT on Steam.

During this promotion, players can play Endless Space 2, Endless Legend, Dungeon of the Endless and The Endless Space Collection for free. These titles are a series of turn-based, 4X strategy games that were recently acquired by Sega.

In addition, players can also unlock special skins during the promotion. All players have to do is play Endless Legend, Dungeon of the Endless, or Endless Space 2 and reach 1 million hours of collective playtime to help the community unlock a Cravers Prime skin and 6 additional fleet skins to unlock for ES2.

And in case you are looking for other games to try this weekend, Absolver is also free.