Platformers
Flash Games
Arcade Games
FPS
Game levels
100

The Sonic The Hedgehog game that added Tails

What is Sonic The Hedgehog 2

100

The website famous for hosting Run 2

100

The first arcade game

What is Pong

100

The first COD Zombies map to have an full Easter Egg

What is Ascension

100

The first enemy you encounter in World 1-1 in the first Super Mario Bros. 

What is a Goomba

200

The second Banjo and Kazooie game

What is Banjo Tooie

200

The number of Papa's games there are

What is 20
200

These baby animals sound like Galaga

What are crocodiles/alligators 

200
The amount of rounds in a Brute Shot mag in Halo

What is 6

200

The second level in Sonic The Hedgehog 2

What is Chemical Plant Zone

300

The number of mainline Mega Man games (not counting Mega Man X) 

What is 16

300

The number of playable characters/ vehicles are in Happy Wheels

What is 11

300

The kind of game the Simpsons arcade game was

What is beat 'em up

300

The amount of Halo weapons with homages in Destiny 2

What is 4

300

The pilot you are searching for at the start of the Titanfall 2 mission 'Effect and Cause'

Who is Eli Anderson

400

The Mario game that got replaced with a clone of Doki Doki Panic in the west

What is Super Mario Bros. 2

400

The website that hosted the popular 8 Ball game that was ported to mobile

What is Miniclip.com
400
Noob Saibot was introduced in this Mortal Kombat game

What is Mortal Kombat 2

400

The faction exclusive to Frontier Defense in Titanfall 2

What is The Last Resort

400

The title of the first mission of Call of Duty Black Ops 1

What is Operation 40

500

The first Zelda game that is a sidescrolling plaformer

What is The Legend of Zelda 2

500

The television channel that advertised addictinggames.com

What is Nickelodeon

500

The famous arcade game creepypasta, allegedly investigated by the CIA and gave kids seizures

What is Polybius

500

The amount of hours it would take to unlock Vader on Star Wars Battlefront 2's launch (2019)

What is 40

500

The companion cube Test Chamber in Portal 1

What is Test Chamber 17