Do you count AFK time?

If not, Factorio, with ~500 hours active time.

If so, Clicker Heroes, with 2900 hours, but only about 50 of those were not AFK.

Probably Minecraft

Team fortress 2 for me

Eve Online but a lot of it just spent 'station spinning'.. Other than that Arma 3 and Dark Souls 3.

Factorio at about 600 hours. The factory must grow.

EVE Online... I have at least a thousand hours in that game. I haven't played in years, but no game since have satisfied the same depth of mechanics and unique community.

WoW by a long shot. I’m guessing around 10k hours in total. I’ve mostly quit by now due to time constraints, but I recognize that when I do play, I neglect lots of other things.

Probably Morrowind at this point. Lately I've been doing a new modded save with Ashfall to give a new and ever-present twist to the core gameplay. Can't believe stuff like it still comes out for a game from 2002.

Warframe. The grind sucked me in hard. Was a lot of fun too. I have accumulated 3300 hours.

I've got almost 700 hours in osu! but I'm pretty sure I'd have more hours in Super Smash Bros. Melee by now. Hard to say for sure since I can't effectively track it

1. Dwarf fortress
2. Nethack
3. Factorio

It’s a toss-up between Richard Burns Rally and Dirt Rally 2. I’ve played a ton of DR2 over the years but since I started playing RBR in 2004 when it came out, it’s quite possible that all my return visits to it add up to more hours overall still…

Destiny 2, although I played for like a year total and stopped playing in 2020

I just hit the max (999 hours, 59 minutes) in yo-kai 3 for 3ds a few days ago.

I jump around games quite a lot and don't generally stick with one for tons of hours -- but I think Stardew Valley with over 200hrs is probably my highest. That game can definitely be addicting.

Team Fortress 2, with over 2100 hours logged. More back on the Xbox 360 copy and when it was free during the Mac Update.

Fallout 4

I haven't played it in a year, but I do have 1928 hours in Europa Universalis IV.

Easily:

• Rocket League: > 1700 Hours. (Still ranked Diamond though, lol)
• Team Fortress 2 / Left 4 Dead 1 & 2: sub-1000 hours, each.
• Subspace/Continuum: over 1000 hours for sure, but nobody counted. Tried jumping back in the game just for fun, i'm back to square one "what's the button to attach?". I was a Trench Wars/Extreme Games pub guy.

EDIT: First post in a two years-old lurking account. Hello, world!

If we just talk about the last few years:

• 0 A.D has been very fun, although I play offline because I'm casual af :) Has all the things I liked about Age of Empires and more, and I've been building from source so it gets improvements every week.
• Xonotic has had an excellent community whenever I've gone online, so can recommend.
• Mindustry is a blast

There is a soft spot in my heart for SuperTuxKart too, despite the current project leadership.

This is going to sound weird to the Lemmy crowd I'm sure, but Madden NFL 08 on the GameCube/Dolphin

I got 12750 hours on my Old School RuneScape ironman, probably another 10000-15000 hours across all my other accounts the past 20 years :P then I have good 5000 hours on CSGO and 2500 in Final Fantasy 14 online.

1. SMITE
2. Guild Wars
3. Wolfenstein: Enemy Territory
4. Overwatch

No Man's Sky, easy

My top three according to steam are:

1. Stellaris with 1027 hours
2. Rimworld with 716 hours
3. Hunt: Showdown with 525 Hours

Although the game I've played the most over all my years and outside of steam is definitely Deus Ex. I've put a lot of time into it exploring the single player, playing the multiplayer, and messing around with mods since it came out in 2001. The same would go for Unreal Tournament 2004 which I easily had over a thousand hours in back in high school, before steam was a thing.

Enemy Engaged series, I had about 800 on one save game at one point, but I've had many new ones since then.

Quake 3 Arena, uncountable. Possibly thousands.

GTA Online on PS3 about 1000 I think.

Destiny... I dunno but a lot (I have platinum), possibly also over a 1000.

GTA IV, played it through about 10 times so possibly 300-500.

Probably Minecraft or LoL. But it has been a long time since I played them. Nowadays, I mainly just play indie roguelikes.

I can't remember 95% of what I did on EVE Online for the like 3 months I feverously played it, but it's sitting as my highest played game. Though I guess there was a lot of afk mining going on. For actually always active gameplay it's terraria. If I logged minecraft hours, it would probably be up there.

Shoutout to the oddball Graveyard Keeper being in my top 5. It's really not a game with enough content to play 200 hours, but I did it anyways. Finished my...5th? full ending + DLC run a few months ago.

The Sims 4 by a quite substantial margin. It's not what I would call my favourite game. But it is one that I come back to again and again and again.

I put in about 2000 matches worth of games in league of legends within about a year when i started playing it at 2014. but since about 2016 i only put in about 500 games at most, kinda quit playing it. Also put in at least like 3k+ hours into world of warcraft, and alot of time into minecraft and around 1k in FFXIV too

Probably RuneScape, then followed by Counter Strike Source.

It will probably always be World of Warcraft. No time these days to match that on a single game, not by a long shot.

Unreal tournament 99. Probably more than 10,000 hours. I used to play it so so much. Nothing else even comes close

Untraceable answer, probably World of Warcraft. Between playing TBC and WotLK on release, to revisiting during Legion, and then playing Classic and WotLK Classic I have probably sunk more hours than I would really like to know.

According to Steam my most played game is The Elder Scrolls Online which really surprised me, that's not what I would have guessed. Terraria is second, and that I could have guessed.

The Binding of Isaac, roguelikes are inherently replayable and mods make it even moreso

GTAV if you count the time spent AFK grinding virtual cash... (1200hrs total)

Age of Empires 2 DE for most active time. (532hrs, plus an additional 216hrs with HD version)

I have like 137 days in GTA Online and I’ve barely played it in like 2 years

Skyrim. There is a distinct lack of Skyrim in here. I find this odd...

Still a complete newbie with my 2900 hours in RimWorld.