This is a new character "Akarin" and Shadow the Hedgehog at least got redesigned. Also, YuruYuri Starts is a new stage.

Sonic.exe is in Mugen Climax.

#Sonicexe(also here is meliodas).

Could Nintendo acquire Kojima Productions? An Acquisition of Kojima Productions will officially happen in 2025.

Puzzle Knight

Got any ✪ References? It's Kirei Kotomine!

Luffy, Poniko and Heroine X are in gamejolt.com/games/mugenclimax1/654209 Version 5

Reminding me, if she can find the eight pages...

Son Goku and Gohan training with Piccolo and Rias Gremory.

Hey there is a new Mugen Climax SS ✪ coming out, with Pein being one of the characters coming to this version.

Mugen Climax SS V5: Sonic and Tails vs Akari and Joseph Joestar