HD wallpaper: male and robot illustration, multiple display, video games, Portal (game) | Wallpaper Flare
Portal Dual-monitor wallpaper HD by ThereGoesLucie on DeviantArt
i remastered my portal dual screen wallpaper in 4k, for all to enjoy. i will also be taking request for changes/new wallpapers. uncompressed png files are in a google drive, link in