Slay the Spire without doubt 2.5k on steam plus some switch and mobile.
If you group the Trackmania games those do come close, and maybe Minecraft but I have barely touched that game in the last decade and no way to check hours from back then.

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Slay the Spire without doubt 2.5k on steam plus some switch and mobile.
If you group the Trackmania games those do come close, and maybe Minecraft but I have barely touched that game in the last decade and no way to check hours from back then.
Well the top contender for me is FFXI by a mile. But naming an MMO in a thread like this almost feels like cheating.
My next game after that would be Hades 1 with 421 hours.
Probably WoW or LoL. I don't play either of those anymore and probably never will again, but I doubt any game I play would ever come close again.
According to Steam:
Civilization VI with the right mods is insane. Just a shame the multiplayer is so ridden with desync, and the newer ones suck.
Minecraft, played since beta 1.5 (sometime like 2011 or 2012 ish). I probably have 3k or 4k hours in it
Terraria, cant calculate entirely because kid me pirated the early versions but I'd guess 2k or so between vanilla and modded
League as well unfortunately. Met some cool people from it through my 3k or so hours
The only other game above 1k is TF2
I'm sure when I last checked GTA5 on PS4 was sitting at around 1500 hours.
MW2 back on 360 was sitting at around 35 days according to the multiplayer leaderboards.
I don't get much screen time - work and other hobbies - but I've somehow got over 300 hours in cyberpunk. Also, I'm fairly new to it at the mo, but I could see myself putting a lot of hours into mewgenics.
runescape more than i like to admit. before the eoc/falador protest i played sparingly, because of school. then around 2018, i started playing during an event then found i could make more gp by selling form the shops to ge, which help funded bonds, and i did it for severalyears til i got burnt out from rs, and i only play it sparingly. i am a casual bosser, im not good at fighting the harder ones with too much complexity/movements.
i know people dint like TH/mtx, they couldve just got rid of the xp lamps/stars that were causing the problems. rs threw a fit and removed everything like minor daillyscapes.
The Binding Of Isaac, around 1700 or something

You ok over there?
Don't worry, I haven't played in over a year now.
🫂
Trackable? Terraria at just over 1,350 hours plus another 147 in tmodloader since it moved to steam 7 Days to Die at 711 Binding of Isaac at 572
Untrackable? Probably Breath of Fire 2, Castlevania: Aria of Sorrow, or maybe Secret of Mana I play a randomizer of one of them almost every night before I go to bed or when I'm bored.
Probably WoW or LoL, but I'm not going to login to either to check because I switched to Linux and have been boycotting blizzard for over a decade.
Probably Civ 3. I've been playing off and on for over 20 years. I've played hundreds of hours of several other games, but civ 3 has to be the peak
While not in 1000+ hours like others, but I have 700± hours in both Terraria and factorio.
League of Legends, and nothing comes close to my time spent on it
Factorio! 2k hours :)
I am over 4k but for someone else these are still rookie numbers lol
Elite Dangerous at about 1300 hours. I do wonder if anything from the ps2 days beats that, with more time and fewer games, but I doubt it. Been playing for 6 years
Late to the party, but for me Endless Sky: https://github.com/endless-sky
As far as I know, it's the only open source and crowed developed game out there.
If you remember EV series, it's basically that. But better and under constant development.
Endless Sky looks cool. Definitely going to give it a try.
My two favorite open source games are Thrive and Cataclysm DDA
Thrive is an evolutionary survival game. Similar to Spore, you start as a single-cell microbe. You gather nutrients, evade dangers, and evolve adaptations. Eventually, you can progress to the multicellular stage, then macroscopic, etc. up to spacefaring. Currently everything after multicellular is placeholder, but the cellular gameplay is fun and has enough viable strategies to make replaying interesting. https://github.com/Revolutionary-Games/Thrive
Cataclysm DDA is a zombie-survival rogue-like simulation game. You start as a single survivor and need to scavenge for food, shelter, and protection. If you like games that focus on system/simulation complexity over visuals (e.g. dwarf fortress) I'd recommend this one. For example, the vehicle system allows you to build custom vehicles, which can be anything from a dinky wooden bicycle to a monstrous RV-turned deathdozer+mobile base-on-wheels. https://github.com/CleverRaven/Cataclysm-DDA
I bought Spore for my kids when it came out but wound up playing it far more than them!
Spode demanding tribute to their religion again? Oh no! I destroyed all your cities and turned your planet into a nature preserve so you can never come back.
Diablo 2. No idea how many hours, easily over 3k for sure.
No other game I played come close to this amount, closest is probably 600 or 700 hours. I got so many 50-400 hours games.
Not me but a friend of mine has 10+ IN GAME YEARS in Everquest. Apparently he has been playing with his dad since he was 4 or 5 lmfao. I don't understand it but I respect it.
I had to convert that to hours to make it comparable, holy fuck that's almost 88,000 hours 😵
Battlefield on PlayStation, hands down
Played 2, 3, 4, 1 (don't ask, I didn't make the numbering) and 5 to death on a wide variety of play Station models. Would log some average of 10 hours per week, every week, for since BF2 started and BF5 ended
Guilty Gear Strive? I remember playing a lot of skyrim too. Anything past 2k hours kinda gets lumped together
Minecraft.
It doesn't keep track in general, but I've had multiple worlds go over 1000 hours individually.
Put a lot of hours into Paradox Interactive games

I'd have to check, and for the older ones I can't, but either something from Bethesda before they forgot how to make games (probably Morrowind, possibly Skyrim or New Vegas) or something from Paradox (either Crusader Kings 2 and 3 or Stellaris), followed by Cyberpunk 2077 (can't keep me away from Night City for long) or something else by either of the first ones. Or Excel; wasted a few thousand hours on that one too.
Stellaris.

World of Warcraft, split between a vanilla private server and official Classic. I have a character on each with over 150 days of playtime (although significant chunks of that are leaving the game open while doing other things, and also programming addons while otherwise afk at the bank).
A man of culture