Here is the full list of all 38 Super Cloudbuilt achievements.
Unlock 15 Outfits.
Complete 1 of the wings (Maple/Ash/Oak/Hawthorn).
Complete the five peaceful levels in the 'Willow' stairwell.
Have 7 Items (Consumables, Gear, Weapons) active at once.
Have 2 Items (Consumables, Gear, Weapons) active at once.
Complete all of the levels on the 'Elm' corridor.
Complete all of the levels on the 'Aspen' corridor.
Reach a new plateau, one reserved for those that can unlock all of the achievements!
Complete all 4 wings (Maple/Ash/Oak/Hawthorn).
Unlock and read all of the Journal entries.
From a New Story, complete a wing (Maple/Ash/Oak/Hawthorn) without firing after 'The Initial Entry'.
Collect all of the 'Life Keys' from the five peaceful levels in the ‘Willow’ stairwell.
Increase your maximum life cap to 99 lives in Story Mode.
Earn your first 'A-Rank' (or higher) medal in Ranked Mode.
Earn your first 'S-Rank' medal in Ranked Mode.
Earn an 'A-Rank' (or higher) medal (any challenge type) on all story mode levels in Ranked Mode.
Earn an 'S-Rank' medal (any challenge type) on all story mode levels in Ranked Mode.
Earn an 'A-Rank' (or higher) medal for ‘Pathfinder’ on the ‘Regrowth’ level in Ranked Mode.
Have 20 items stored in your Item Inventory.
Complete a 'Marathon' sized Rush Pack in Rush Mode.
Complete both the 'Original 22' and the 'Original 22 [Retro]' Rush Packs in Rush Mode.
Play the game at 11:11 (AM or PM).
Blitz through 'The Call' (Intro Level) in under 01:19:000 (No Respawns).
Use your weapon to push a stunned 'Arachtoid' 25m without it blowing up.
Kill or stun 10 enemies in 5 seconds or less.
After dying, "fly" horizontally for over 60m, without losing or gaining too much height.
Ricochet off 4 different mines without hitting the ground.
Complete the 'Desperation' level.
Complete the 'Nostalgia' level.
Complete the 'Desire' level.
Complete the 'Expectations' level.
Complete the 'Chains' level.
Activate 8 checkpoints in the 'Playground' level.
Get propelled into a Checkpoint Flag by an explosion or enemy attack.
Dodge the lasers at the top of the tower in the 'Escape' level 8 times in a row.
Find a potted plant within a level and knock it off it's platform.
Find the hidden picnic area - 'The perfect spot, nestled among the islands of trees'.
Find the hidden sandcastle - 'Among the green grass of the ruins a castle stands proudly'.