Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Artificial Nostalgia	Finish a Classic Level (Singleplayer)
Authors Limits	Beat the Dev time (any map, Singleplayer)
Crossing the Gap	Beat your personal time (any map, Singleplayer)
Forcing the Way	Reach 2000 MPH
Friendly Rivalry	Host a Multiplayer Lobby
Innovative Experience	Finish an Experimental Level (Singleplayer)
Last Little Steps to Victory	(no official description)
Main Stream	Finish a Main Line Level (Singleplayer)
Press R to Restart	Die/Reset for the first time
Reading Exercise	Finish the Tutorial