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🔎 Mods Like Broken Down 4: Chain Reaction

Similar Bridge Constructor Portal mods — matched by shared tags, category, and author.

📦 Same Category

Looping Madness

— 07,603 dl

Just watch

— 04,952 dl

Achievement Map

— 03,064 dl

Double The Bridges

— 02,982 dl

Turret Juggling

— 02,409 dl

Wheatley: Chamber 01

— 02,339 dl

Uh Yeah Humans Turned Into Missiles

— 02,318 dl

Acid Chamber

— 01,830 dl

Something easy

— 01,476 dl

1000 & 5000 Transitions Achievement

— 01,409 dl

Speed boost

— 01,312 dl

just for fun

— 01,261 dl

Simple Geometry (Auto)

— 01,251 dl

Easy One

— 01,221 dl

Roller Coaster

— 01,081 dl

One Point

— 01,053 dl

The Movement Back

— 01,050 dl

Obvious Solution

— 01,037 dl

1st Test

— 0949 dl

SPEEEED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

— 0863 dl

Hop

— 0799 dl

Ay want that 5000 portal achivement?

— 0780 dl

Portal Transitions Achievement

— 0742 dl

TABB - Part 3

— 0710 dl

Bouncy Portals

— 0698 dl

Back And Forward

— 0679 dl

Can you do it?

— 0655 dl

Achievement "For More Science"

— 0646 dl

TABB - Part 2

— 0645 dl

Don't touch anything

— 0645 dl

TABB - Part 1

— 0609 dl

TABB - Part 4

— 0603 dl

Jimmy Falling

— 0597 dl

Automatic Level

— 0589 dl

TABB - Part 14

— 0586 dl

TABB - Part 6

— 0578 dl

TABB - Part 10

— 0570 dl

TABB - Part 8

— 0558 dl

5000 Portal Achievement Infinite Loop

— 0554 dl

TABB - Part 5

— 0544 dl

👤 Same Author

Broken Down 3: Separated

— 0257 dl

Broken Down 1: Floorless

— 098 dl

Broken Down 2: The Floor Is Goo

— 067 dl

Broken Down 5: Through the Wall

— 061 dl

Workaround

— 051 dl

Timing Machine

— 011 dl
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