1. Click on a sans cat 2. Enjoy the music 3.click the (soul) heart and (checkpoint) star or you will have a bad time. 4. only click a new sans cat with a sans cat cats from: normal- Undertale Metal-Metal cover Mostly black- Reapertale yellow/teal eyes- Ink Sans Pokeball- Poketale cracked skull- Gastertale shiny- Storyshift (sans) grey- Aftertale multicolour- Fresh Sans angry- Underfell Glitchy- Error Sans mostly white- Underverse Orange- Underswap (papyrus) giant- Ultra Sans black lines- Killer Sans Bone user- Underswap(sans) blue/yellow- Outertale grey hat- Mafiatale Mario- Undertoad red/grey- Outerfell tan/neon green- Storyshift(chara) Brush- another Ink Sans
I don't need to credit myself, do I? I added extra things, like: Achievements Ink sans 2 being unlocked after listening to all of Ink Sans 1's theme extra sans cats (I won't list them all, it will ruin a secret achievement) getting to hide funny things people might get the joke for There are 6 achievements (7 if you dig deep enough) Oh, and did I say saying the new sans cats would ruin "a" secret achievement? Turns out it spoils 3! (2 if you play fair)