Interesting games with 90% discount on Steam, historical low

https://store.steampowered.com/app/322190 SteamWorld Heist, it's a fun tactical rpg, set in SteamWorld Universe.
https://store.steampowered.com/app/252410 SteamWorld Dig, it's a classic indie platformer with metroidvania elements.

https://store.steampowered.com/app/454410 GIGA WRECKER, it's a cool 2D action.

https://store.steampowered.com/app/1083310 OUTBUDDIES DX, it's a stylish metroidvania.

https://store.steampowered.com/app/656700 RICO, it's a fun 1st person action roguelite.

https://store.steampowered.com/app/904380 Vambrace: Cold Soul it's a nice turn based RPG.

Bridge Constructor game series are on sale with 90% discount too.