Here is the full list of all 31 Simple Increment achievements.
Perform 300 clicks
Perform 1500 clicks
Perform 7500 clicks
Perform 37500 clicks
Perform 187500 clicks
Buy 10 generators
Buy 20 generators
Buy 40 generators
Buy 80 generators
Buy 160 generators
Get 10K money in total
Get 1M money in total
Get 100M money in total
Get 10B money in total
Get 1T money in total
Get 30 prestige points in total
Get 60 prestige points in total
Get 120 prestige points in total
Get 240 prestige points in total
Get 480 prestige points in total
Buy 200 upgrades
Buy 1000 upgrades
Buy 5000 upgrades
Buy 25000 upgrades
Buy 125000 upgrades
Play for 1 hour
Play for 2 hours
Play for 4 hours
Play for 8 hours
Play for 16 hours
Complete the game