Here is the full list of all 99 Time Clickers achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Get a Team Member to Spec Ops 4 (LVL 4,000)
Destroy 75.0M Cubes
Beat Wave 2,150
Destroy 50.0M Cubes
Defeat Wave 2,000 Boss
Upgrade a Team Member 12.5K Times
Beat Wave 1,850
Beat Wave 1,550
Get a Team Member to Spec Ops 3 (LVL 3,000)
Destroy 1,000 Rainbow Balls
Time Warp 50 Times
Beat Wave 1,350
Upgrade a Team Member 5.00K Times
Beat Wave 1,150
Defeat Wave 1,000 Boss
Beat Wave 950
Beat Wave 750
Get a Team Member to Spec Ops 2 (LVL 2,000)
Time Warp 25 Times
Destroy 1.50M Yellow Cubes
Collect 1.00t Gold (Total)
Shoot Click Pistol 250K Times
Collect 1.00r Gold (Total)
Beat Wave 550
Upgrade a Team Member 2.00K Times
Defeat Wave 500 Boss
Collect 1.00n Gold (Total)
Collect 1.00p Gold (Total)
Collect 1.00l Gold (Total)
Collect 999i Gold (Total)
Shoot Click Pistol 100K Times
Defeat Wave 250 Boss
Get a Team Member to Spec Ops 1 (LVL 1,000)
Time Warp 10 Times
Get 10.0K Critical Strikes
Collect 999g Gold (Total)
Get Team DPS to 10.0f
Get Team DPS to 10.0e
Time Warp 5 Times
Upgrade a Team Member 500 Times
Shoot Click Pistol 50.0K Times
Collect 999e Gold (Total)
Time Warp 3 Times
Earn 50.0e Gold
Beat Wave 350
Get Team DPS to 10.0d
Beat Wave 200
Get Team DPS to 10.0c
Collect 1.00d Gold (Total)
Destroy 5.00M Cubes
Time Warp 1 Time
Upgrade a Team Member 125 Times
Get 1.00K Critical Strikes
Get Team DPS to 10.0b
Beat Wave 100
Defeat Wave 100 Boss
Get Team DPS to 10.0a
Earn 250a Gold
Get Team DPS to 10.0Q
Collect 1.00Q Gold (Total)
Get Team DPS to 10.0T
Get 100 Critical Strikes
Upgrade a Team Member 50 Times
Earn 5.00T Gold
Beat Wave 50
Get Team DPS to 10.0B
Destroy 150K Yellow Cubes
Earn 500K Gold
Collect 1.00M Gold (Total)
Collect 1.00B Gold (Total)
Beat Wave 10
Beat Wave 25
Get Team DPS to 10.0M
Shoot Click Pistol 100 Times
Shoot Click Pistol 500 Times
Shoot Click Pistol 1.00K Times
Shoot Click Pistol 10.0K Times
Destroy 5,000 Rainbow Cubes
Upgrade a Team Member 5 Times
Upgrade a Team Member 25 Times
Destroy 50.0K Red Cubes
Destroy 500K Red Cubes
Destroy 100K White Cubes
Destroy 1.00M White Cubes
Destroy 5.00K Cubes
Destroy 50.0K Cubes
Destroy 500K Cubes
Beat Wave 2,450
Beat Wave 2,750
Beat Wave 3,000
Defeat Wave 3,000 Boss
Time Warp 100 Times
Time Warp 250 Times
Upgrade a Team Member 25.0K Times
Get a Team Member to Spec Ops 5 (LVL 5,000)
Collect 5.00M Time Cubes
Collect 3.00M Weapon Cubes
Beat Wave 3,500
Defeat Wave 4,000 Boss