Here is the full list of all 51 JumpJet Rex achievements.
Spend 1,000,000 gold in the shop
Cover a level in ash
Master all levels
Complete the RageQuit Rex mode
Beat Ragequit Rex without losing any lives.
Complete the SpeedRun mode and post a time to the leaderboard
Beat Speedrun Mode in under 90 minutes.
Collect every coin in every level
Die 500 times
Complete adventure mode in co-op
Beat Adventure mode on normal, getting every star and hidden package, under 3 hours
Collect all the hidden items
Live to fly another day.
Get 3 stars on all 4 bosses
Kill the Big Globowski in under 30 seconds
Complete adventure mode on easy
Complete adventure mode on normal.
Pay the ultimate price.
Defeat the fourth boss
Buy 30 different skin colors for Rex
Buy 20 pairs of jumpboots for Rex
Buy 20 different heads for Rex
Buy 30 different jet stream colors for Rex
Defeat the third boss
Find Seedmours weak spot!
Use your projectile to trigger 75% of the switches in Power Core
Get 3 stars on 30 levels
Destroy 100 fireseeds in Jungle Jump
Defeat the Yeti using only snow chunks
Get a 5x bounce combo on the first boss
Use death to your advantage in Cold Front
Destroy 25 snowballs in Snowblind without dying
Stun the patroller in p1ng 3 times in one run
Beat P1ng in less than 10 seconds
Retry a level 30 times
Beat the target time for a level without using Jump
Beat the target time for a level without using Dash, Drop or Rocket
Get a 100pt combo on Rex's target practice machine in the Dinonaut Base.
Score 3 points in Holoball in the Rexercise Room
Spend 100,000 gold in the shop
Defeat the second boss
Have a 4x coin combo multiplier lasting over 30 seconds
Destroy 100 robots
Defeat the first boss
Use the shortcut for a photo finish in Scrollway
Master one level
Beat a level in Co-op mode
Complete Boot Camp
With a 4x combo collect a ruby
Collect every coin in a level
Play the game instead of letting it go extinct in your backlog