The hit mountain climbing simulation Cairn is getting a series of free DLC drops, under the banner On the Trail. The first will be released this summer and .

The DLC introduces three new climbing areas and plenty of “fresh challenges.” There’s also a new avatar, as players can now climb as Aava or the game’s original sidekick Marco.

As the name suggests, there’s some new water-based mechanics here. It looks like players will be able to fall into the water without automatically dying, though the developer hasn’t shown how that works exactly. In the original game, a fall into a body of water would be treated just like any other fall.

This is the first in a series of new DLC releases, but we don’t know what the other updates will entail. We do know that they’ll all be free. The base game is $30, when not on sale, so this is a nice little perk for fans.

For the uninitiated, Cairn is a that forces players to keep a keen eye on balance and stamina. It’s got a fairly complex control scheme, with a manual mode that mandates independent control of each limb. There’s an emphasis on route planning and gear management. The game is also quite easy on the eyes.

Today’s DLC announcement came as part of the , which spotlights indie games. The stream also gave us reveals for a new Don’t Starve game and an intriguing title from the devs .