ECHO is a sci-fi adventure from ex-IO Interactive developers Ultra Ultra | GodisaGeek.com
ECHO Gameplay Trailer - YouTube
Indie developers Ultra Ultra announce their latest game | GameWatcher
ECHO by Ultra Ultra Windows game - Indie DB
Echo developer Ultra Ultra shuts down - MCV/DEVELOP
ECHO on GOG.com
Ultra Ultra on Twitter: "ECHO now supports Ultra Widescreen and Multi-monitor support on PC - It is glorious AND it's 25% off currently! #UltraWideGaming #indiedev #UE4 https://t.co/XMAltFHPFi https://t.co/zUmHXIJgnf" / Twitter
Image 4 - ECHO by Ultra Ultra - Mod DB
GAME — ECHO
Echo - IGN
ECHO Full Level w/ Developer Commentary - YouTube
Videos & Audio - ECHO by Ultra Ultra - Mod DB
Steam Community :: ECHO
In smart, slick 'Echo,' you become your own worst enemy
Echo studio Ultra Ultra shut down, film still in the works | Rock Paper Shotgun