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