Hyperzanda is the only one... I've played myself.... And I have yet to earn 1 hyper. As far as the rest of the games go... not everybody has credit cards to buy the game-clients on steam... THAT"S why I made my earlier statement... The only "free" game on the list (hyperzanda) is pretty much
useless...
I know your qualm is with their list for free games, but I just wanted to point out again, on CryptoInfinity, right now, we have 4 free game competitions for 50 Hyper each,
https://cryptoinfinity.com/Thread-4-New-HYPER-Game-Competitions?page=1. The competition is ending in 3 days.