The Steam version of FNaF World does not have any obtainable achievements.
However, these trophies are official and are included within the game itself.
This guide also contains some SPOILERS for the game, you have been warned!

“Defeat Security.”
Beat Security on any difficulty.

“Get the Hard Mode Ending.”
Beat Animdude on Hard Mode.

“Defeat Chipper's Revenge.”
Beat Chipper's Revenge on any difficulty.
To access the Chipper's Revenge boss, you must have the key and go to the mine located at northernmost area, accessed through Lilygear Lake; check the map and go to the west side of the mine where there's a hallway jutting out, then get in.

“Get the Universe End Ending.”
Talk to Fredbear while having Fredbear as your party leader.
Be careful, as if you talk to every Fredbear before doing this you won't be able to get the ending, the last Fredbear that works is located at Pinwheel Circus on the hallway at the left that leads to Security.

“Get the Clock Ending.”
Find all the clocks and finish their puzzles.



Step 1 - At Fazbear Hills, do not click "Done" while talking to Fredbear and wait until 8-Bit Fredbear appears, then find the clock in Fazbear Hills and push BB into the box.
Step 2 - At Choppy's Woods, do not click "Done" while talking to Fredbear and wait until 8-Bit Fredbear appears, then find the clock in Dusting Fields and press the 4 buttons.
Step 3 - At Dusting Fields, do not click "Done" while talking to Fredbear and wait until 8-Bit Fredbear appears, then find the clock inside the mine in Dusting Fields and push the 4 cupcakes into the boxes.
Step 4 - At Lilygear Lake, do not click "Done" while talking to Fredbear and wait until 8-Bit Fredbear appears, then find the clock inside the mine located at the northernmost area, accessed through Lilygear Lake, and stay in the middle square that says 395248.
Step 5 - At Pinwheel Circus, do not click "Done" while talking to Fredbear and wait until 8-Bit Fredbear appears, then find the clock inside the Pinwheel Funhouse and push Shadow Bonnie into the box.
Step 6 - Get the key and open the lock located at the northernmost area, accessed through Lilygear Lake, then enter the bubble.

“Get the 4th Glitch Ending.”
Find Old Man Consequences.
To access the 4th Glitch, go through the glitched rock after defeating Bubba, then at the 3rd sub-tunnel, go up, right, up, and right until you reach a corner; then go down through a false wall and continue that path until you find the 4th sub-tunnel.

Alternatively, you can get this trophy in Ultimate Custom Night by setting Old Man Consequences to level 1 and leaving all other characters at zero, then catching a fish when he appears.

“Unlock the Pearl byte.”
Catch the Pearl in the Dee Dee's Fishing Hole minigame 5 times.

“Unlock all characters.”
Find every single character.




The best place to find characters is inside the Pinwheel Funhouse, and be sure to use the Find Characters chip located inside the mine in Blacktomb Yard, but some characters can't be found randomly, those being the Update 2 characters; here's how to get each of those in the Update 2 Halloween Hub.

Jack-O-Bonnie - Beat FNaF 57: Freddy in Space with at least one cupcake but not all nine.
Jack-O-Chica - Beat Foxy Fighters with a B rank or less.
Animdude - Beat Chica's Magic Rainbow minigame in more than 3 minutes.
Mr. Chipper - Beat Chica's Magic Rainbow minigame in less than 3 minutes.
Nightmare BB - Beat Foxy Fighters with an A rank.
Nightmarionne - Beat Foxy.EXE.
Coffee - Beat FNaF 57: Freddy in Space with no cupcakes.
Purpleguy - Beat FNaF 57: Freddy in Space with all nine cupcakes.

“Defeat Chica's Magic Rainbow.”
Beat Chica's Magic Rainbow.



To access the Chica's Magic Rainbow boss, you must enter the Update 2 Halloween Hub after beating the game by entering the house next to the lock at Fazbear Hills, then talk to Fredbear and enter the bubble; complete the minigames to get at least some Update 2 characters (the only ones strong enough for this) and enter the bubble that leads to the final area of the game, then complete the maze and be ready to fight.