When did the first handheld video game come out

The Microvision was the first handheld video game console, which came out in 1979. It was poorly received due to technical problems such as "screen rot", ESD damage, and keypad destruction.

The games released for Microvision:

• Block Buster
• Bowling
• Connect Four
• Mindbuster
• Pinball
• Star Trek: Phaser Strike
• Vegas Slots
• Baseball
• Sea Duel
• Alien Raiders
• Cosmic Hunter