Nyan Cat: Lost In Space features for humans:

• powerups (magnet, …)
• achievements
• score multipliers
• two playable character: NYAN CAT and TAC NAYN
• different forms of NYAN CAT (Supernyan, …) and TAC NAYN
• beautiful pixel art

Features for Nyans:

• nyan nyan nyan nyan POWERUPS nyan nyan nyan ACHIEVEMENTS nyan nyan SUPERNYAN
• nyan ONLINE HIGH SCORES nyan nyan RETINA DISPLAY nyan nyan nyan UNIVERSAL APP
• nyan BEAUTIFUL PIXEL ART nyan nyan nyan