GAMESDIFFICULTY

Hardest Source games

Filtered to:Game engine:Source

Diff Min

Value: 1.00

Diff Max

Value: 6.00

No community rating yet — ordered by popularity

Missile Strike Imminent

313. Missile Strike Imminent

2011 / PC (Microsoft Windows)

Hunt Down the Freeman: 24 Hours

314. Hunt Down the Freeman: 24 Hours

2018 / PC (Microsoft Windows)

Designed for Danger

315. Designed for Danger

2012 / PC (Microsoft Windows)

Dangerous World 2

316. Dangerous World 2

2010 / PC (Microsoft Windows)

Jail Escape

317. Jail Escape

2006 / PC (Microsoft Windows)

HoloReality

318. HoloReality

2008 / PC (Microsoft Windows)

Portal: Alive & Kicking

319. Portal: Alive & Kicking

2026 / PC (Microsoft Windows)

Portal: System Failure

320. Portal: System Failure

PC (Microsoft Windows)

Portal: Lost in Aperture

321. Portal: Lost in Aperture

2024 / PC (Microsoft Windows)

Random Quest

322. Random Quest

2009 / PC (Microsoft Windows)

Gordon Freakman

323. Gordon Freakman

2016 / PC (Microsoft Windows)

Gordon Freakman 2: Kleiner-Life

324. Gordon Freakman 2: Kleiner-Life

2017 / PC (Microsoft Windows)

Report II

325. Report II

PC (Microsoft Windows)

Report III

326. Report III

2021 / PC (Microsoft Windows)

Report: Stas

327. Report: Stas

PC (Microsoft Windows)

Half-Life 2: Alone Mod

328. Half-Life 2: Alone Mod

The Burton Equation

329. The Burton Equation

2024 / PC (Microsoft Windows)

Gemerald

330. Gemerald

2023 / PC (Microsoft Windows)

The Cleaning Game

331. The Cleaning Game

2025 / PC (Microsoft Windows)

Black Mesa: Military

332. Black Mesa: Military

2025 / PC (Microsoft Windows)

Apex Legends: Takeover

333. Apex Legends: Takeover

2025 / PlayStation 5, PlayStation 4, PC (Microsoft Windows), and more

A Nights Haunting: Source

334. A Nights Haunting: Source

2025 / PC (Microsoft Windows)

28 Days Later: The Game

335. 28 Days Later: The Game

Heart Of Evil: Source

336. Heart Of Evil: Source

2008 / PC (Microsoft Windows)