My personal achievements made in the generator, of course! Updated daily.
Artillery - Plant and explode your first TNT.
Shellshock - Have a creeper explode behind you.
Bloodied - Have only a half a heart left and live thirty seconds with it.
Jockey - See a skeleton riding a spider.
Slain - Simply have to die.
Rich - Have 32 ingots of gold in your inventory.
Shiny - Mine your first diamond.
Plummet - Fall from 10 blocks in the air and survive.
Sssss.. - Die from a creepers blast.
Wolfy - Tame a wolf.
Road to Freedom - Create and ride a minecart.
DJ - Make a jukebox.
Afraid of Heights? - Reach the highest point in-game.
Mobinator - Kill over 100 mobs.
Goodnight! - Sleep in a bed.
Collector - Obtain atleast 1 of every ore in-game.
Ready for Battle - Equip a full suit of armor.
Fatty - Eat food even while at full health.
Survivor - Survive 20 day without dying.
Baconator - Kill a pig with fire and receive cooked bacon.
Extreme Miner - Dig or mine over 1000 blocks.
One Night Stand - Survive your first night.
No Life - Over 30 hours of gameplay.
Bird Fail - Die by falling of high heights.
2 Many Items - Fill up to 5 chests with items.
I like all of those but Reaching the highest point in game is impossible because no maps really the same it randomly generates so it would be impossible. unless you mean build blocks to the highest point?