Top 100 favorite games

SNES - Super Mario RPG: Legend of the Seven Stars
SNES - Mario Paint
SNES - Final Fantasy III
PC   - Command & Conquer: Red Alert 2 - Yuri's Revenge
PC   - Command & Conquer: Red Alert 2
N64  - Banjo-Tooie
SNES - Super Mario All-Stars
SNES - Super Mario World
N64  - Star Fox 64
PC   - Command & Conquer: Red Alert
PC   - A Hat in Time
N64  - Banjo-Kazooie
N64  - Hey You, Pikachu!
N64  - Super Mario Star Road
PC   - Zoo Tycoon (2001)
NS   - Snipperclips - Cut it out, together!
N64  - Donkey Kong 64
PC   - Factorio
PC   - Rise of Nations
Wii  - Xenoblade Chronicles
PC   - Slime Rancher
PC   - Team Fortress 2
Wii  - Super Smash Bros. Brawl
N64  - Diddy Kong Racing
X360 - Rock Band 2
PC   - DOOM Eternal
X360 - Rock Band
PC   - Garry's Mod
PC   - Putt-Putt Saves the Zoo
PC   - Putt-Putt Travels Through Time
PC   - Portal 2
PC   - Dragon Age: Origins
PC   - Journey to the Savage Planet
PC   - Plants vs. Zombies
PC   - Dead Space 2
SNES - Star Fox
N64  - The Legend of Zelda: Ocarina of Time
PC   - The Sims 3
GCN  - Tony Hawk's Underground 2
SNES - Final Fantasy V
DS   - Mario Kart DS
PC   - 3D Movie Maker
GCN  - Pikmin 2
Xbox - Star Wars: Battlefront II
GCN  - Super Smash Bros. Melee
PC   - Outer Wilds
Wii  - Resident Evil 4: Wii Edition
NS   - Pikmin 3 Deluxe
NS   - Super Mario 3D World + Bowser's Fury
Wii  - Kirby's Return to Dream Land
DS   - Picross 3D
SNES - Chrono Trigger
SNES - Donkey Kong Country 3: Dixie Kong's Double Trouble
GCN  - Super Mario Sunshine
PC   - Dead Space
PC   - Minecraft
PC   - RollerCoaster Tycoon
PC   - Warcraft III: Reign of Chaos
DS   - Moero! Nekketsu Rhythm Damashii: Osu! Tatakae! Ouendan 2
DS   - Osu! Tatakae! Ouendan
PC   - The Sims
PC   - The Stanley Parable
DS   - Elite Beat Agents
3DS  - Picross 3D: Round 2
SNES - Super Famicom Wars
NS   - Super Smash Bros. Ultimate
Xbox - Halo 2
DS   - Pokemon HeartGold Version
N64  - The Legend of Zelda: Majora's Mask
PC   - RollerCoaster Tycoon 2
GCN  - Gotcha Force
GCN  - Pikmin
NES  - Micro Mages
GCN  - Battalion Wars
GCN  - Sonic Adventure 2 Battle
PC   - Baba Is You
N64  - Blast Corps
N64  - Super Mario 64
SNES - Bahamut Lagoon
Xbox - Fable: The Lost Chapters
PC   - Portal
SNES - Power Soukoban
PC   - Command & Conquer Remastered
SNES - Sutte Hakkun
DS   - Picross DS
GCN  - Luigi's Mansion
GCN  - Mario Kart: Double Dash!!
DS   - Mario & Luigi: Partners in Time
GB   - Super Mario Land 2: 6 Golden Coins
DS   - Kirby: Canvas Curse
NES  - Yoshi
NS   - Metroid Dread
SNES - Super Metroid
SNES - Donkey Kong Country 2: Diddy's Kong Quest
SNES - Front Mission: Gun Hazard
ARCD - Space Invaders
PC   - Yooka-Laylee
PC   - Undertale
SNES - Super Mario World 2: Yoshi's Island
DS   - The World Ends with You

Don't read too much into the specific order. I ordered them based on feeling and my personal connection with the game and they could easily change on a different day. If I were to order it by objectively good game design, the order would be quite different.
I have not played any games on the PS2, PS3, PS4, or Xbox One for a good deal of time, so none of them appear on here. I have played a few Sega Genesis/Mega Drive games, but none of them resonated with me that much, with the closest being Gunstar Heroes. I know there's great games on those platforms but I don't have any compulsion to play any of them.
Games I've added since 2020: Snipperclips, Factorio, DOOM Eternal, Journey to the Savage Planet, Outer Wilds, Pikmin 3 Deluxe, Super Mario 3D World + Bowser's Fury, Super Famicom Wars, Picross 3D: Round 2, Gotcha Force, Micro Mages, Power Soukoban, Sutte Hakkun, Command & Conquer Remastered, Metroid Dread, and Front Mission: Gun Hazard.