Tarantula Pro

I switched to a GameSir Tarantula Pro recently after my 8bitdo pro 3 died (broken trigger, which is a big hazard in this game). It's been very good. 9 extra buttons that can be mapped to a different button or to a keyboard key, or to a combo of buttons/keys. I map dpad left and right to the back pad

GameSir Tarantula Pro. But it’s got the left stick below the d-pad and only has two back buttons in convenient places, so the KK3 Max is still my main controller.

I recently tested the 8bitdo Pro 3. On Andorid, u can only map the extra buttons to the normal gamepad buttons (abxy L1&2 R1&2 D-Pad etc). The same problem with the GameSir Tarantula Pro

GameSir Tarantula Pro, has 9 remappable button, has TMR and tri-mode: wired/wireless/bluetooth (dongle included), RGB feature also there, 1200 mAh battery, including Motion control for Switch, hall effect, probably last 12 hours or cheaper one is GameSir Cyclone 2, 860 mAh battery, also has hall eff

TL;DR: you can't really go wrong with any controller. The differences between controllers are pretty small, especially for older games that don't use very many buttons. I prefer having the left stick above the d-pad for modern games that use analog movement, so I would vote for an Xbox/Switch-style