Related to yellow question block

Mario on a Platform — Green

1600 × 1200

Mario in Game Level — Blue, Playful, Afternoon

2560 × 1024

Yoshi and Mario in Cave — Red

1024 × 768

Mario Running in Game

1440 × 900

Mario in a Level — Teal, Playful, Pixel Art

1920 × 1080

Mario Holding a Mushroom

1024 × 768

Mario in Snowy Level

1024 × 768

Mario in Desert Level

1024 × 768

Super Mario Bros. 3 Title Screen — Yellow

1280 × 1024

Mario on a brick platform

1600 × 1200

Super Mario Bros. underwater level

1024 × 768

Desert level from Super Mario Bros.

1024 × 768

Mario in Snowy Level — White, Playful

1024 × 768

Super Mario World level

1920 × 1080

Mario in World 1-2

1920 × 1080

Mario on Brick Platform — Blue

1004 × 745

Super Mario World cover art

1920 × 1200

Mario game scene with Goombas

1024 × 768

Mario game scene

1600 × 1440

Yoshi and Mario in Cave

1024 × 768

Mario platform level

1440 × 900

Mario in Snowy Level — White

1440 × 900

Mario in a classic game scene

2304 × 864

Super Mario Bros. World 8-1

960 × 800