Pyramid #895
 Light  CC BY-SA 3.0

Could remind you a bit of those squares in Super Mario Bros, yeh?

Source Jeff Wall

 More Textures
Pool Table #175
 Wall  CC BY-SA 3.0

This makes me wanna shoot some pool! Sweet green pool table pattern.

Source Caveman

Green Wall #1268
 Wall  CC 0

Zero CC bark from fur tree tileable texture, photographed and made by me. CC0

Source Sojan Janso

Background pattern 246 (colour 5) #2182
 Colorful  CC 0

This was formed by distorting an image of a background on Pixabay.

Source Firkin

Floral #1679
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

PW [email protected] #1143
 Light  CC BY-SA 3.0

Vertical and horizontal lines form some cubes.

Source Peax

Dark Brick [email protected] #136
 Wall  CC BY-SA 3.0

Black brick wall pattern. Brick your site up!

Source Alex Parker

Restaurant #1311
 Yellow  CC BY-SA 3.0

A lot of people like the icon patterns, so here’s one for your restaurant blog.

Source Andrijana Jarnjak

Dungeons & Flagons 7 #1423
 Diamond  CC 0

Gamedev - Floors Textures. CC0 License.

Source Davit Masia

Colorful Stripes Background #400
 Noise  CC 0

Colorful Stripes Background

Source GDJ

Rough [email protected] #692
 Fabric  CC BY-SA 3.0

The classic 45-degree diagonal line pattern, done right.

Source Jorick van Hees

Stone Wall & Yellow #1488
 Stone  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Wide Rectangles #699
 Wall  CC BY-SA 3.0

Simple wide squares with a small indent. Fits all.

Source Petr Šulc.

Grid [email protected] #606
 Grid  CC BY-SA 3.0

Nice little grid. Would work great as a base on top of some other patterns.

Source Arno Gregorian

Prismatic Abstract Geometric Background 2 #268
 Noise  CC 0

Prismatic Abstract Geometric Background 2

Source GDJ

Pinetree in tortoiseshell(亀甲松) #2538
 Dark  CC 0

The image depicts a seamless pattern of Japanese Edo pattern called "kikkou-matsu" or "亀甲松" meaning " tortoiseshell-pinetree".The real pinetree is like this: https://jp.pinterest.com/pin/500744052301065077/

Source Yamachem

Snow #627
 Wall  CC BY-SA 3.0

Real snow that tiles, not easy. This is not perfect, but an attempt.

Source Atle Mo

Retro Circles Background 5 No [email protected] #427
 Noise  CC 0

Retro Circles Background 5 No Black

Source GDJ

Retro Circles Background [email protected] #429
 Noise  CC 0

Retro Circles Background 6

Source GDJ

Background pattern 235 (colour 5) #2251
 Blue  CC 0

To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.

Source Firkin

Background pattern 255 (colour) #2141
 Brown  CC 0

Colour version of the original pattern.

Source Firkin

Stone Wall & Gray #1508
 Wall  CC 0

Incoming catena. Stone & well. CC0 texture.

Source Unknow

Background pattern 273 #2042
 Dark  CC 0

Remixed from a design seen in 'Burghley. The Life of William Cecil', William Charlton, 1857.

Source Firkin

Waves #1694
 Paper  CC 0

Paper-Wallpaper. CC0 License.

Source Unknow

Floral design 96 #1789
 Dark  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin

Diamond pattern (colour 9) #2269
 Fabric  CC 0

From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.

Source Firkin

polka dot seamless pattern remix #2498
 Blue  CC 0

This is the remix of "polka dot seamless pattern".The image depicts polka dot seamless pattern.

Source Yamachem

Floral design 99 (colour) #1777
 Green  CC 0

From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.

Source Firkin