Entex Adventure Vision - It's a Vectrex-style desktop using COP411L with a red LED 150x40 display. Reviews were poor but looks great from a #retrogaming perspective.
Entex Adventure Vision Games
The Adventure Vision Project - All 04 Games - Every Game

Here is the marketing mark up for 3/4 of the games - Super Cobra, Space Force, Turtles available for the Adventure Vision #retrogaming
Adventure Vision Replacement Parts

Entex Adventure Vision - Only 4 games released, Defender, Super Cobra, Turtles, Space Force. Someone has helpfully reproduced these game instructions on 60lb cut and folded paper.
eBay sale - ENTEX ADVENTURE VISION REPRODUCTION INSTRUCTIONS

A common problem with #RetroComputing are broken/lost plastic parts, like slot covers. Same seller is selling replacement battery compartment panels for the Entex Adventure Vision. Very obscure but useful if you need one.
eBay sale - Entex adventure vision game replacement battery cover