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