Could remind you a bit of those squares in Super Mario Bros, yeh?
Source Jeff Wall
Super subtle indeed, a medium gray pattern with tiny dots in a grid.
Source Designova
Prismatic Geometric Tessellation Pattern 4 No Background
Source GDJ
Super detailed 16×16 tile that forms a beautiful pattern of straws.
Source Pavel
This makes me wanna shoot some pool! Sweet green pool table pattern.
Source Caveman
Design drawn in Paint.net, vectorised using Vector Magic and finished in Inkscape.
Source Firkin
Remixed from a drawing in 'Analecta Eboracensia', Thomas Widdrington, 1897.
Source Firkin
Crossing lines with a subtle emboss effect on a dark background.
Source Stefan Aleksić
A seamless texture of black leather. I think it will look best when used in headers, footers or sidebars.
Source V. Hartikainen
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background
Source GDJ
From a drawing in 'Hubert Montreuil, or the Huguenot and the Dragoon', Francisca Ouvry, 1873.
Source Firkin
One more brick pattern. A bit more depth to this one.
Source Benjamin Ward
Sharp diamond pattern. A small 24x18px tile.
Source Tom Neal
Semi-light fabric pattern made out of random pixels in shades of gray.
Source Atle Mo
From a drawing in 'Cowdray: the history of a great English House', Julia Roundell, 1884.
Source Firkin
Formed from decorative divider 184 in paint.net. Vectorised with Vector Magic.
Source Firkin
A seamless web texture of "green stone".
Source V. Hartikainen
From a drawing in 'Chambéry à la fin du XIVe siècle', Timoleon Chapperon, 1863.
Source Firkin
This one is super crisp at 2X. Lined paper with some dust and scratches.
Source HQvectors
Inspired by a 1930s wallpaper pattern I saw on TV.
Source Firkin
From a drawing in 'Handbook of the excursions proposed to be made by the Lincoln Diocesan Architectural Society, on the 27th and 28th of May, 1857', Edward Trollope, 1857.
Source Firkin
Sort of like the Photoshop transparent background, but better!
Source Alex Parker
Very dark pattern with some noise and 45-degree lines.
Source Stefan Aleksić
Prismatic Snowflakes Pattern 2 No Background
Source GDJ