helicopter
time travel
3d
parkour
2.5d
time manipulation
steam
achievements
time limit
fox
sequel
slow-motion
high score
boss fight
explosion
steam achievements
digital distribution
xbox controller support for pc
steam cloud
steam leaderboards
anthropomorphism
playstation trophies
voice acting
ranking system
shopping
hedgehog
deliberately retro
collectibles
motion blur
white noise
fake in-game advertising
retail games with steam activation
sprinting mechanics
stereoscopic 3d
downloadable content
real-time combat
underwater gameplay
pinball stage
gamersgate
predecessor included
games on demand
temporary invincibility
super speed
spiky-haired protagonist
fan service
grind
time paradox
time trials
whale
play coin support
secret achievements
music speed up
running towards the screen
greatest hits
passive ability
gamescom 2011
avatar awards
changing dimensions
tokyo game show 2011
pax prime 2011
outside of time and space
classic sonic
