The top results based on the latest update are Rocket League [Score: 1.0], Battlerite [Score: 1.1] and Ultra Street Fighter IV [Score: 1.1].
The top rated games you can find here are Counter-Strike: Global Offensive [SteamPeek Rating: 13.6] ranked #4, Team Fortress 2 [SteamPeek Rating: 12.7] ranked #161 and Dota 2 [SteamPeek Rating: 12.0] ranked #34.
Also don't forget to check the newest releases ExoTanks [Release date: 2020-12-20] ranked #221, Blaston [Release date: 2020-12-15] ranked #88 and Ball at Work [Release date: 2020-11-24] ranked #57.
While it is tempting to play with the newest and the best, there might be some other gems in the results, like GridIron [SteamPeek Rating: 6.2] ranked #52, Pixel Strike 3D [SteamPeek Rating: 6.0] ranked #53 and UNDER NIGHT IN-BIRTH Exe:Late[cl-r] [SteamPeek Rating: 7.0] ranked #54.