Buy all tickets at start.

Go to BROWN line (Castleblanca) first. Go to Eerie Inn-Spam first answer on troll and hope for good rng. Talk to the witch and clear the bats- clear 4 rooms then leave. Leave Castleblance

Buy another Brown Ticket

Go to BLUE line (Aquariyum) Go to the Castle Enter the Throne Room- take rainbow square that is on the chair Leave Aquariyum

Go to GREEN line (Cyber Mall) Go to the CAT: Buy ALL THE CUBES, then exit shop Go to the WITCH: Buy ONE CUBE and ALL THE BERRIES Go to SCIENTIST: Buy GREEN CAN and ALL THE BERRIES Go to SURF SHOP: Buy ONE CUBE, the MEMORY INTEGRATOR, ALL THE BERRIES --- TRADE for Yellow Thing. Leave Cyber Mall

Go to RED line (R-Fair City) Go to the Donut Museum Make TWO CHOCOBERRY CHILLERS Leave R-Fair City

Go to BROWN line (Castleblanca) Go to Haunted Hangout Talk to the Twins, and give them the Chocoberry Chillers Leave Castleblanca

Go give Motherboard the stuff by clicking on the pyramid below her: Video Plays

End

(I hope this guide helps you if you are ever bored enough to speedrun Cyberchase: Mission Motherboard- WeaponizedAutism)