.game-item {width: auto!important;}
#game_list5,
#game_list4,
#game_list3,
#game_list2,
#game_list {grid-template-columns: 20% 20% 20% 20% 20%; display:grid; }  
@media screen and (max-width: 620px) { 
#game_list5,
#game_list4,
#game_list3,
#game_list2,
#game_list {grid-template-columns: 33.33% 33.33% 33.33%; }
.game-item {min-height: 0px!important;}