Here is the full list of all 54 Arcade Paradise achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Unlock and listen to all the songs on the jukebox
After upgrading footwear and glasses stare, zoomed in at the floor for 3 seconds
Purchase all personal upgrades
$250,000 in the safe
Beat Jimmy Goldman in Knuckles and Knees
Fully upgrade your craft in Spacerace
complete all goals on 15 machines
Unlock endless mode in Slime Pipes
Uncover all conspiracies in Blockchain
Feed the Princess in Woodgal's Adventure.
Complete 99 to do list items
Complete a game of Solitaire
Find and remove 100 pieces of gum
Unlock and use the NTV Player
Replace the King Wash facia and make your father proud
Pass level 3 of Line Terror
62 69 74 2e 6c 79 2f 49 71 54 36 7a 74
Have at least one of each colour ball in play on Graffiti Ballz
Buy all upgrades in Strike Gold
Inflict 5000 damage on the toilet
Beat all the high scores on Brick, Toad, Racer, Flyguy and Snake in Knuckles and Knees
Lose everything and end up working at the Bestwurst
Complete 60 goals
Get to level 3 on adventure mode in Bomb Dudes
Land the plane 9 times in UFO Assault
Visit all of the tourist destinations in Bugai
Drop 15 balls in one move on Bugai
Thump 333 Gophers
Complete Barkanoid
Kill 9999 zombies in Zombat 2
Shrink the King Wash to expand Arcade Paradise
Clock Vostok 2093 once
Complete 30 goals
Kill 99 Zombies with each weapon in Zombat 2
Complete all objectives for 3 days running
Summon Woodguy Jr in Attack Vector
Clear any song with a perfect score on Cyber Dance
Have a daily income of over 2500
Debug an Arcade Machine
Pass out in the arcade 10 times
Clear all 3 cities in Racer Chaser
Bin 250 pieces of trash.
Complete 10 goals
Do nothing all day.
"...You Knew? How did you know that?!"
Wait a second... I'd recognise that voice anywhere!
Set all machines to max price per play.
Pass out in the toilet
complete all goals on a machine
Listen to 10 messages on the answer machine
Get 3 consecutive S-Ranks throwing garbage into the dumpster
Purchase and recieve delivery of your first new Arcade Machine
Empty all 4 hoppers at the start of the game
Enter the Laundrette