Here is the short list:
Gamers! ->
https://myanimelist.net/anime/34280/Gamers
High Score Girl ->
https://myanimelist.net/anime/21877/High_Score_Girl
High Score Girl II ->
https://myanimelist.net/anime/39570/High_Score_Girl_II
High Score Girl: Extra Stage ->
https://myanimelist.net/anime/38422/High...xtra_Stage