>>10058497lol well the soccer game I play is probably the simplest of them all, there's a character superb power up, you can do that 5 times, it means feeding them the same character, or a littre which is a weird bunny thing, 5 star characters need a 5* littre for one power up, but if you gather 2 5* and 3 3* you can turn it into a 6* littre which gives you 3 power ups
you can equip 4 spirit stones on each character that give you bonus stats, and these stones can be powered up 15 times, and if you gather 5 +15 spirit stones you can combine them into one unique stone of which one can be equipped, and if you get 5 unique stones to +15 and get some spirit cores which you can aquire by selling other stones, you can combine them into a legendary stone
then there's the stat enhance that you can do up to +160 with swirlies or beelzebubs, each gives different amount of bonus stats, then there's the star system for all characters obviously, same as any other gacha, you get 5 5* and feed it to ur max 5* to turn it into a 6*, then 6 6* to 7* etc
there's about this much that I left out but other games are a lot more complex than this
he was being pet