Slow trackmania, pretty silly but very hard to get gold medals (even bronze sometimes)

See review here
http://steamcommunity.com/id/nekomimibadik/recommended/592300/

If you want more games feel free to join these
http://store.steampowered.com/curator/27791949/
http://steamcommunity.com/groups/garbage_games_challenge
https://www.steamgifts.com/group/1qtkz/garbagegameschallenge