Sims 3 (Most of it except for a few Stuff Packs)
Sims 2 (All of it)
SimsMedieval (recently reinstalled)
RealMyst (Haven't gotten very far yet)
Gone Home (Finished 2 years ago but I think I want to play again). By now I should have forgotten most of it.

I have these games installed:

The Sims 1 +all Eps
The Sims 2 +all EPs and SPs
The Sims 3
The Sims 4
The Escapists
Garry's Mod
Minecraft
Who's Your Daddy
Among The Sleep
Five Nights at Freddy's 1 + 2 + 3
The Sims Castaway
Team Fortress 2
The Forest ( I can't play it tho)
Tasty Planet
The Very Organised Thief
Sneak Thief
Of Guards and Thieves
Sumotori Dreams
Build and Shoot
Gang Beasts

And I think some others too...

On my desktop:

The Sims 3 + All Expansion Packs and Townlife Stuff which I got for free.

On my laptop (which I've been playing games on temporarily while I'm away):

The Sims 2 Ultimate Collection
Civilization V (I have it on Steam, decided to install it and play it for the first time since... 2013? since the game is low in demand, but I got bored so fast).

I plan on installing The Sims 2 Ultimate Collection on my desktop since I get back, since the game has progressed so much with mods versus when I last played it in 2011 or so.

These are what I have at the moment...

Need for Speed Undercover
Test Drive Unlimited
Elder Scrolls 3, 4 and 5
GTA Vice City, San Andreas, 4 and 5
Sims 1 Complete Collection
Sims 2 Ultimate Collection
Sims 3 with Supernatural, Generations and World Adventures
Sims 4 (base game only)
World of Warcraft
DC Universe Online (though I haven't played it)
Driver Parallel Lines
EverQuest
Fable Anniversary
The Godfather 1 and 2
Left 4 Dead 2
NBA 2K13
Sid Meier's Pirates!
Saints Row 3 and 4
Scarface
Shadow of Destiny
Tales of Symphonia

For anyone curious here's a list of most of my PC games I own. I still need to add a couple of the ones I currently have installed, but other than those 2 maybe 3 it's all of my PC games: https://www.gamefaqs.com/community/...ned?platform=19

a.) All 3 Sims Games including every EP\SP ever made (on disc)
b.) The Sims 4 + The Free Stuff Holiday Celebration Pack (Origin)
c.) Sonic World (fan game, Release 7)
d.) Sonic Adventure DX (Steam)
e.) Sonic Adventure 2 Battle (Steam)
f.) Sonic Generations (Steam)
g.) Sonic The Hedgehog 1991 (Steam)
h.) Sonic The Hedgehog 2 (Steam)
i.) Sonic The Hedgehog 3 and Knuckles (Steam)
j.) Sonic Forces (Steam)

I have all of these on my computer right now, I've been gathering them all since about 2013:

• Sims 2 UC, Sims 3 (all expansions), Sims 4 (all EPs and GPs)

• Civ III, IV, V

• Night In The Woods

• Tender Loving Care

• We Know The Devil

• The 7th Guest

• The 11th Hour

• Harvester

• DMMD, Sukisyo, Togainu No Chi

• OFF/Mad Father/Ib/Basically every RPG horror game lol

• A bunch of old edutainment games I don't feel like listing

Sims 2 + all EP/SP.
BioShock2.
System Shock 2.

Update:

I just added the entire Mass Effect series.

Uh...boy. I'll start with my newest computer because it's easiest:

On my Cyberpower machine:
- GTA San Andreas
- GTA V
- The Sim 2 + most expansions
- The Sims 3 + most expansions
- Call of Duty Modern Warfare
- Bioshock
- Cities in Motion
- Cities Skylines
- Star Trek Online
- Star Wars Battlefront
- Star Wars Battlefront 2
- Mafia
- Mafia 2

On my Hewlett Packward:
- The Sims 1 + all expansions
- The Sims 2 + all expansions
- The Sims 3
- SimCity 3000
- SimCity 4
- Pharaoh + Cleopatra expansion
- Zeus + Poseidon expansion
- Emperor Rise of the Middle Kingdom
- Medal of Honor Allied Assault + Expansions
- Medal of Honor Pacific Assault
- Medal of Honor Airborne Assault
- Call of Duty + expansion
- Star Trek Elite Force 2
- Star Trek Armada 2
- Star Trek Bridge Commander
- Star Wars Jedi Academy 2
- Star Wars Republic Commando
- Star Wars Galactic Battlegrounds
- Age of Empires
- Age of Empires II
- Age of Empires III
- GTA 2
- GTA 3
- GTA Vice City
- GTA San Andreas
- Mafia I
- Heroes of Might and Magic II
- Heroes of Might and Magic III
- Army Men
- Army Men Air Tactics
- Army Men World War
- Civilization III + expansions
- Civilization IV + expansions
- Command and Conquer Red Alert 2 + expansion
- Command and Conquer Generals
- Chris Sawyer's Locomotion
- Sid Meier's SimGolf
- Sid Meier's Gettysburg + Antietam
- Battlefield 1942
- Sid Meier's Pirates (the new one)
- Sid Meier's Railroad Tycoon (the new one)
- Sid MEier's Colonization (the new one)
- Tony Hawk's Pro Skater 2
- Tony Hawk's Pro Skater 3
- Tropico
- Waterloo: Napoleon's Last Battle
- Medieval Total War Gold
- Desperados

And on my dead Medion...
- SimCity 2000
- Star Trek Elite Force
- Star Trek Armada
- Star Trek Hidden Evil
- Star Trek Away Team
- Army Men & Army Men Toys in Space
- Chris Sawyer's Rollercoaster Tycoon
..plus others I can't remember, including repeats from the HP list.

Just Sims 4 so far. Haven't had much time to install any games on my new computer yet

Sims 4 and Roller Coaster Tycoon 3, for the nostalgia.

I currently only have TS2 with all EP's and SP's on my PC
I used to have assassin's creed 3, The crew and two indie games I never played, facade and houseparty, but I deinstalled everything except sims. More of a console person

Sims 3
Sims 2
Sims 4
Some game involving vampires
Simcity 4
Various other games

After years of not having a PC to run my sims 3, Our son gave his dad , his gaming system. I got the monitor. Well it runs sims 3 and thus so .. SO FAR I have
TS3 Base
TS3 Ambititons
TS3 Supernatural
TS3 Worlds Bundle Package
TS3 Monte Vista /Hidden Springs
Ts3 World Adventure
Ts3 Island Paradise
TS3 Town Life
Ts3 Late Night
TS3 High-End Loft
TS3 University
TS3 into the Future

Suppose to be getting "Generations" For my birthday at the end of the month (the last day of this month!!)Also plans to figure out to Re-create bedding I made (and have uploaded here) from Sims 2 and make it for Sims 3 :DSo be watching out for SIM 3 Goodies...might take a bit of time but I will get something done We're moving by Summer's end, gonna move to SE OK to be closer to my parents, they're getting to point they need help and I'd rather it be from me. But til then and after we're settled there, I'll be still playing and Creating as well :D

Sim Clouds will "Float again" :D
Cloud

I currently have Oblivion and Crusader Kings II installed on my laptop

Sims 4
Royals
Joy Exhibition
Zoo Tycoon
Fiesta Online
Guts and Glory
Foto Flash
BlazBlue Centralfiction
Girls and Dungeons
The Political MAchine 2016
Hard Time
Hiveswap Act 1
South ParkThe Stick of Truth
Bully: Scholarship Edition
Stardew Valley
Roller Coaster Tycoon 2
Planet Coaster
Skullgirls
Touhou
Towerfall Ascension
GTAV
Planetarium
Mystery Tapes
Undertale
Street Fighter V
Huniecam Studios
Game Dev Tycoon
Khimera Destroy All Monster Girls
Vanguard Princess
Huniepop
Minecraft
Skullgirls
House Party
Nitroplus Basterz
Guilty Gear Xrd
Momodora Reverie Under the Moonlight
Hustle Cat
Negligee

plus hundreds of emulated games, haha

Installed a few more games over the last few days

Final Fantasy XII: The Zodiac Age
Garry's Mod
NBA 2K17