Thunderful Games have announced Image & Form Games‘ SteamWorld Dig 2 is now free on GOG and Steam, for 24 hours.

After a mining town is stuck by earthquakes, a single steam-powered robot much dive deep underground to find out why. Find treasure and secrets, and fend off traps and ancient foes. Upgrade your gear to delve even deeper.

The game will be free until November 11th, 11:00 a.m. EST.

You can find the rundown (via Steam) below.

Adventure Waits Below the Surface…

SteamWorld Dig 2 takes you on a platform mining adventure forged in Metroidvania flames. When an old trading town is struck by mysterious earthquakes, it’s up to a lone steambot and her unlikely companion to uncover what trembling terrors lie beneath.

Dig your way underground and explore vivid worlds riddled with treasure, secrets and traps.

Combat dangerous enemies at every turn of the underworld’s twisted paths, including shadowy creatures and the haunted remains of an ancient electrical threat.

Upgrade your gear to forge deeper into the earth and take on bigger challenges.

Swing across large chasms with your Hookshot and fly through caves with the Jet Engine!

And finally, learn the truth about your long lost friend…

SteamWorld Dig 2 is available on Windows PC, Linux, Mac (all via GOG, and Steam), Nintendo 3DS, Nintendo Switch, PlayStaton 4, PlayStation Vita, Xbox One, and Google Stadia.