I’ve compiled all the slimlines mentioned above for easier reference. The categorisation of yoyos is based on the yoyo’s default configuration out of the box.
Intended for responsive play:
- Basecamp Moonshine 2
- DocPop Daytripper
- DocPop Weekender
- Luftverk Micra MultiForm DS1 Classic
- Luftverk Micra MultiForm DS1 Square
- Luftverk Daytona Slimline
- Luftverk Daytona SB Slimline
- Spinworthy x Mk1yoyos Red Blood Cell
- Spencer Berry Theodore
- Spencer Berry Walter
- SPYY Flying V
- Throwback Origen
- Tom Kuhn Pocket Rocket
- Rain City Skills x DocPop Pop Art
- YoYoFactory Confusion
- YoYoFactory Little Confusion
- YoYoFactory Ti Confusion
- YoYo Tricks/MK1 Origen
Intended to be played both responsive and unresponsive:
- AnY YoYo Free Rider
- Basecamp Moonshine
- Basecamp Sherpa
- Core Co. Alleycat
- Core Co. Alleycat 650b
- DocPop Thing
- Duncan Bumblebee (2022 Bimetal Version)
- Duncan Butterfly AL
- Duncan Butterfly AL (Delrin Caps)
- Duncan Cold Fusion GT (2022 Bimetal Version)
- G2 Respawn
- G2 Respawn Lite
- ILYY Black Belt
- ILYY Trvth
- Laid Back Swing Nude Trump
- Lathed Back Design Bangarang
- Lathed Back Design Lagrange
- Lowkey Throws Woodland
- Luftverk Alpina Slimline XP47
- Luftverk Alpina Slimline XP55
- Luftverk Daytona Slimline SE
- Luftverk Daytona Slimline SE BTM (Bimetal Titanium Version)
- Markmont Black Canon
- Mk1yoyos x Spiral Silver
- OneDrop Deep State
- OneDrop Deeper State
- Rain City Skills Delrin Gamer
- Rain City Skills Gamer
- Rain City Skills Gamer Light
- Recess Quiz
- RSO Ti Silver Bullet
- Something Double Or Nothing
- Timcor Starfire 2018
- Tom Kuhn Silver Bullet
- Tom Kuhn Silver Bullet 2 (SB-2)
- Tom Kuhn Silver Bullet 3 (SB-3)
- Tom Kuhn Tom Cat
- Toybania Stoopid
- Toybania Thing
- Toybania Thing V2
- Turning Point Kerberos.sh
- Vosun Medal
- YJ YOYO Canversion
- YJ YOYO Easy Trick Metal
- YJ YOYO Easy Trick Retro
- YoYoRecreation Impact
- YoYoZeekio Slim Jim
- Zero Gravity El MiJo
- Zero Gravity El MiJo 6061
- Zero Gravity El MiJo Poly
- Zero Gravity Janus
Intended for unresponsive play:
- 2Sick Fianchetto
- CLYW Ditch
- CLYW Gorge
- Dressel Designs Kanto
- DocPop Bolt
- DocPop BoltXP
- DocPop Executive
- DocPop x Luftverk Ti Executive
- Heshgod Enterprises Petri
- Huatian Rotor
- ILYY Rocket
- Jake Bullock Slim Dunk
- MonkeyfingeR Design Forte
- Old School Throws Medallion
- Old School Throws ResTi-W
- Old School Throws Resto
- OneDrop Diorama
- OneDrop Panorama
- PDX-YO Phidias
- Rain City Skills Dumpster Fire
- Reticulated Return Tops Asp
- R2FG Deduction
- SF 36
- ShurikenYoYos Senban
- SmashingYoYos Pip
- Turner Return Tops Isthmus
- YoYoFactory Heist
- YoYoGarden Coco
- YoYoRecreation GOPA
This post is also a wiki so anyone can update and contribute to this list.