<br><table width='100%' cellpadding=3 cellspacing=3 border=0><tr valign='top'><th>Achievement</th><th>How to unlock
</th></tr><tr valign='top'><td>Acrobatic climber</td><td>Defeat all time trials in world 3 (Cavern).
</td></tr><tr valign='top'><td>Alien artifacts</td><td>Collect all pickups in world 9 (Space).
</td></tr><tr valign='top'><td>Blazing speed</td><td>Defeat all time trials in world 2 (Volcano).
</td></tr><tr valign='top'><td>Budget Cuts</td><td>Clear all action scores in world 1 (Factory).
</td></tr><tr valign='top'><td>Celestial shinies</td><td>Collect all pickups in world 8 (Sky).
</td></tr><tr valign='top'><td>Compressed</td><td>Clear all action scores in world 10 (Dimension).
</td></tr><tr valign='top'><td>Digital goods</td><td>Collect all pickups in world 10 (Dimension).
</td></tr><tr valign='top'><td>Eco-friendly</td><td>Clear all action scores in world 5 (Jungle).
</td></tr><tr valign='top'><td>Everlasting spark</td><td>Clear all action scores in world 2 (Volcano).
</td></tr><tr valign='top'><td>Flash ghost</td><td>Clear any Gas form stage without turning to gas for more than a second at a time.
</td></tr><tr valign='top'><td>Forever</td><td>Defeat all 10 worlds in time attack mode.
</td></tr><tr valign='top'><td>Gold rush</td><td>Defeat all time trials in world 4 (Desert).
</td></tr><tr valign='top'><td>Good old times</td><td>Unlock arcade mode.
</td></tr><tr valign='top'><td>Grain of sand</td><td>Clear all action scores in world 4 (Desert).
</td></tr><tr valign='top'><td>Half time</td><td>Defeat 5 worlds in time attack mode.
</td></tr><tr valign='top'><td>Heavy diver</td><td>Hit safe ground after a drop of 30+ blocks using a single Metal form.
</td></tr><tr valign='top'><td>Hidden treasures</td><td>Collect all pickups in world 4 (Desert).
</td></tr><tr valign='top'><td>Hyperlight</td><td>Defeat all time trials in world 9 (Space).
</td></tr><tr valign='top'><td>Infiniclimber</td><td>Without using Rocket form, clear any stage with the Spike form without touching the floor after the beginning.
</td></tr><tr valign='top'><td>Lives insurance</td><td>Collect over 50 lives in arcade mode.
</td></tr><tr valign='top'><td>Mach speed</td><td>Defeat all time trials in world 8 (Sky).
</td></tr><tr valign='top'><td>Millionaire</td><td>Score over a million points in arcade mode.
</td></tr><tr valign='top'><td>Miracle bubble</td><td>Turn to Bubble form when under 5% air in acid.
</td></tr><tr valign='top'><td>Natural gift</td><td>Collect all pickups in world 5 (Jungle).
</td></tr><tr valign='top'><td>No ping</td><td>Defeat all time trials in world 10 (Dimension).
</td></tr><tr valign='top'><td>No time to lose!</td><td>Unlock Time attack mode.
</td></tr><tr valign='top'><td>No wasting</td><td>Clear all action scores in world 7 (Sewers).
</td></tr><tr valign='top'><td>Old school victory</td><td>Reach the end of arcade mode.
</td></tr><tr valign='top'><td>Open skies</td><td>Clear all action scores in world 8 (Sky).
</td></tr><tr valign='top'><td>Out of the box!</td><td>Clear classic mode in any %.
</td></tr><tr valign='top'><td>Outrunning death</td><td>Defeat all time trials in world 6 (Crypt).
</td></tr><tr valign='top'><td>Perfect mission</td><td>Clear all action scores in world 9 (Space).
</td></tr><tr valign='top'><td>Right on schedule</td><td>Defeat all time trials in world 1 (Factory).
</td></tr><tr valign='top'><td>Roaring inferno</td><td>Collect all pickups in world 2 (Volcano).
</td></tr><tr valign='top'><td>Smooth flying, box</td><td>Stay in Rocket form without switching for over 25s.
</td></tr><tr valign='top'><td>So fast!</td><td>Beat any world in time attack under the cumulative best time of each stage.
</td></tr><tr valign='top'><td>Spelunker</td><td>Collect all pickups in world 3 (Cavern).
</td></tr><tr valign='top'><td>Spiritualist</td><td>Clear all action scores in world 6 (Crypt).
</td></tr><tr valign='top'><td>Spotless runner</td><td>Defeat all time trials in world 7 (Sewers).
</td></tr><tr valign='top'><td>Successful Venture</td><td>Collect all pickups in world 1 (Factory).
</td></tr><tr valign='top'><td>The pyro</td><td>Burn over 50 blocks in a single stage using Fire form.
</td></tr><tr valign='top'><td>The real deal</td><td>Clear a stage using a trick or shortcut to use at least 2 less actions than the record.
</td></tr><tr valign='top'><td>Tightrope</td><td>Clear all action scores in world 3 (Cavern).
</td></tr><tr valign='top'><td>Tomb raiding</td><td>Collect all pickups in world 6 (Crypt).
</td></tr><tr valign='top'><td>Trash is treasure</td><td>Collect all pickups in world 7 (Sewers).
</td></tr><tr valign='top'><td>Vine swinger</td><td>Defeat all time trials in world 5 (Jungle).
</td></tr></table>