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)
Beat Wave 2,150
Time Warp 50 Times
Upgrade a Team Member 12.5K Times
Destroy 1,000 Rainbow Balls
Defeat Wave 2,000 Boss
Beat Wave 1,850
Beat Wave 1,550
Get a Team Member to Spec Ops 3 (LVL 3,000)
Beat Wave 1,350
Time Warp 25 Times
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)
Collect 1.00t Gold (Total)
Shoot Click Pistol 250K Times
Collect 1.00r Gold (Total)
Destroy 5.00M Cubes
Destroy 50.0M Cubes
Destroy 75.0M Cubes
Destroy 1.50M Yellow Cubes
Upgrade a Team Member 2.00K Times
Defeat Wave 500 Boss
Collect 1.00p Gold (Total)
Collect 1.00n Gold (Total)
Collect 1.00l Gold (Total)
Collect 999i Gold (Total)
Destroy 1.00M White Cubes
Defeat Wave 250 Boss
Get a Team Member to Spec Ops 1 (LVL 1,000)
Time Warp 10 Times
Collect 999g Gold (Total)
Get Team DPS to 10.0f
Destroy 150K Yellow Cubes
Destroy 500K Red Cubes
Get Team DPS to 10.0e
Collect 999e Gold (Total)
Beat Wave 550
Shoot Click Pistol 100K Times
Earn 50.0e Gold
Get 10.0K Critical Strikes
Get Team DPS to 10.0d
Destroy 500K Cubes
Time Warp 5 Times
Beat Wave 350
Shoot Click Pistol 50.0K Times
Upgrade a Team Member 500 Times
Time Warp 3 Times
Beat Wave 200
Get Team DPS to 10.0c
Destroy 100K White Cubes
Collect 1.00d Gold (Total)
Get 1.00K Critical Strikes
Get Team DPS to 10.0b
Time Warp 1 Time
Destroy 5,000 Rainbow Cubes
Upgrade a Team Member 125 Times
Destroy 50.0K Red Cubes
Earn 5.00T Gold
Earn 250a Gold
Collect 1.00Q Gold (Total)
Beat Wave 50
Beat Wave 100
Defeat Wave 100 Boss
Get Team DPS to 10.0B
Get Team DPS to 10.0T
Get Team DPS to 10.0Q
Get Team DPS to 10.0a
Shoot Click Pistol 10.0K Times
Get 100 Critical Strikes
Upgrade a Team Member 50 Times
Destroy 50.0K Cubes
Collect 1.00B Gold (Total)
Get Team DPS to 10.0M
Upgrade a Team Member 25 Times
Earn 500K Gold
Beat Wave 25
Collect 1.00M Gold (Total)
Upgrade a Team Member 5 Times
Beat Wave 10
Shoot Click Pistol 100 Times
Shoot Click Pistol 500 Times
Shoot Click Pistol 1.00K Times
Destroy 5.00K 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