Kallax from IKEA is great for game books. 15x15 shelves double reinforced pegs and rock steady under heavy load of books. I just put mine up and filled them. Heres a pic
Different Ways To Use & Style Ikea's Versatile Expedit Shelf
9 brilliant ways people have used their IKEA Kallax bookcases | HouseAndHome.ie
KALLAX Shelving unit with underframe, white/white, 577/8x503/4" - IKEA
KALLAX Shelving unit with underframe, white stained oak effect/black, 577/8x503/4" - IKEA
KALLAX Shelf unit, white, 303/8x577/8" - IKEA
The 14 Best Ikea KALLAX Storage Cubes of 2023 | Apartment Therapy
KALLAX Shelf unit with doors, white, 303/8x577/8" - IKEA
Alternatives to Ikea's sold-out Kallax bookcase you can buy online - CBS News
KALLAX Shelving unit with underframe, white/black, 577/8x645/8" - IKEA
Ikea Kallax Expedit Regal DVD Bluray Book Insert Compartment - Etsy
DVD Display Shelf Insert (SOLD in sets of 2) Cube Shelf Riser – The Steady Hand
KALLAX Shelving unit with underframe, white/black, 577/8x503/4" - IKEA
KALLAX Series Storage Cubes - IKEA
KALLAX Shelf unit with 4 inserts, white, 577/8x441/8" - IKEA
IKEA Kallax Shelf Unit 30 3/8x57 7/8 - AptDeco
KALLAX Shelving unit with underframe, white stained oak effect/black, 577/8x645/8" - IKEA
KALLAX Shelf unit with 4 inserts, black-brown, 577/8x577/8" - IKEA
Customise your KALLAX storage unit - IKEA Spain
KALLAX Shelf unit, black-brown, 30 3/8x57 7/8" - IKEA
KALLAX Shelf unit, white stained oak effect, 303/8x577/8" - IKEA