https://store.steampowered.com/app/426190/Miner_Meltdown/
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STEAM KEY REGION FREE GLOBAL

Miner Meltdown is a 2D team-based online competitive multiplayer game. Scour the map for minerals, upgrade your gear, and attempt to blow up the opposing team all the while avoiding monsters, traps, and environmental pitfalls along the way. Maps are randomly generated and 100% destructible, so every match is a fully unique, fast-paced, and chaotic affair.

4 vs 4 online multiplayer
Randomly generated and 100% destructible terrain
Over 20 unique weapons and gadgets to choose from
Fast-paced gameplay using ropes and jetpacks to move around the map with ease.
Bots, so you can play online or solo
"Deathmatch", "Crazy King" & "Diamond Dash" game-types
Tons of thrust-dancing

Two teams of 4 spawn on opposite sides of the randomly generated mine. Players must explore the map in search for gold, which can be used to purchase better weapons and equipment. Teams that collect more gold will generally have an edge in battle.

Teams collect points by killing enemy players, or neutral monsters. The team with the most points at the end of the round is victorious.

Gameplay is fast-paced, so hold onto your butts.