PC $6.99 Region US
Games Adventure Ad Fundum
Ad Fundum — header artwork
Mature content
Adventure · Oldbut Gold

Ad Fundum

Ad Fundum
Mature content
Steam Deck Verified Windows macOS Linux
Very Positive · 92% of 511
DeveloperOldbut Gold
ControllerFull
Wait Chip's verdict · US updated 3 days ago

Good game, but it sits 100% of the way from its all-time low to full price. It drops harder in seasonal sales. Patience pays.

Why this verdict
Price position between all-time low and full price 100%
All-time low $1.04 · 8d ago
Player reviews 92% positive of 511
Quality score 92/100
Value score 0/100

Offers

Accepted regional prices from official stores

Official stores (1)
steam
checked 3 days ago Best price
steam, Official, $6.99
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DLC (1)

Add-on content for this game

Packs and bundles (3)

Multi-item packages that include this game

About this game

What this game is, in the developer's words

Take control of a giant mech and dive into an exciting underground adventure in a dieselpunk world! Dig deep, collect valuable minerals, upgrade wisely, explore diverse locations, uncover ancient secrets, and try not to explode! Will you save the world or vanish in the depths below?

The Great War is over, and the Age of Diesel has come. While many believe this is an era of harmony and prosperity, you know that peace is more fragile than ever. You embark on a journey into the depths of Earth to find the means to avert future conflict. But what awaits you in the darkness below? Is it a boon or doom for humanity?

Take control of a colossal mech, capable of drilling through hundreds of meters of rock in a matter of seconds. Collect valuable resources, then fly back to your base to sell minerals for immense profit. Keep a close eye on your control panel: in a dangerous environment, your mech may overheat or overcool, and, most importantly, it doesn’t run on air – it needs fuel to operate. And beware of falling stones - your machine's hull won't withstand too much damage.

Rebuild your base

Your base has seen better days, but with enough amount of money you will restore it to its former glory and beyond to enhance your mining performance and unlock special abilities.

Upgrade your gear

Upgrade every part of your mech individually to transform an outdated prototype into a technological marvel. Experiment with different builds to create the ultimate mining machine best suited for your playstyle.

Find hidden secrets

Discover artifacts to unravel the history of the first human civilization on Earth, or search for the remnants of the previous underground expedition to unlock special upgrades with unique effects for your mech.

Explore 8 diverse locations

The deeper you go, the more locations you will discover. Each has its own visual style, atmosphere, gameplay mechanics, and threats to deal with.

Survive earthquakes

The ground you dig does not stand still – it shifts, changing its terrain. An earthquake is a dangerous time to collect resources, but when it’s raining minerals, how can you resist not grabbing some ore?

Other features


  • Procedurally generated map: each run will be unique!
  • Original soundtrack: every location in the game has its own music and atmosphere.
  • Several difficulty levels: whether you seek a challenge, want to relax, or aim for a balanced experience, you'll find a suitable difficulty. Or you can customize the difficulty to your own liking!
  • Different story endings: can you unlock them all?

Media

Trailers and screenshots straight from the store page

Ad Fundum screenshot 1
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Ad Fundum screenshot 12

Latest news

Recent updates from the game's own feeds

Price intelligence

Accepted price history and the lows that matter

Historical lows
All-time low ATL $1.04 2026-07-07
3-month low $1.04
12-month low $1.04
Current $6.99
Price events From the accepted price history · updates automatically
Jul 10, 2026
Sale ended · back to $6.99
Jul 7, 2026
New all-time low $1.04

Ad Fundum price history and best deals

Ad Fundum for PC currently sells from $6.99 at authorized stores. Its all-time low is $1.04, set on 2026-07-07.

Frequently asked questions

Answered from this game's own price and edition data

Should I buy Ad Fundum now or wait?
Our verdict is wait. At 100% of the way to full price, it usually drops harder in seasonal sales, so patience tends to pay.
Is $6.99 a good price for Ad Fundum?
$6.99 sits 100% of the way from the all-time low of $1.04 to the full price. It has been cheaper before, so there is room to wait.
Where can I buy Ad Fundum?
Ad Fundum is tracked at steam. We only list authorized stores here and always link out with a clean outbound link.
Scores
Steam reviews Very Positive · 92%
92% positive of 511
Media (12)
Tech
Steam DeckVerified
SteamOSSupported
ControllerFull
Requirements
System requirements platform
Minimum
Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 or newer, 64-bit
  • Processor: Intel Core i3-3225 or AMD A8-7650K
  • Memory: 4 GB RAM
  • Graphics: NVIDIA GeForce GT 740 or ATI Radeon HD 4890
  • Storage: 500 MB available space
  • Sound Card: Any
  • Additional Notes: The game will most likely run on lower-rated hardware, but performance is not guaranteed.
Recommended
Recommended:
  • Requires a 64-bit processor and operating system
Minimum
Minimum:
  • OS: Catalina 10.15+
  • Processor: Intel Core i3-3225 or Apple M1
  • Memory: 4 GB RAM
  • Graphics: NVIDIA GeForce GT 740
  • Storage: 600 MB available space
  • Sound Card: Any
Recommended
Recommended:
    Minimum
    Minimum:
    • OS: Ubuntu 20.04 LTS
    • Processor: Intel Core i3-3225 or AMD A8-7650K
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GeForce GT 740 or ATI Radeon HD 4890
    • Storage: 500 MB available space
    • Sound Card: Any
    • Additional Notes: If you experience any problems with controller connection on Linux - please turn on Steam Input
    Recommended
    Recommended:
      Achievements (26)
      gold_rush 83.1%
      per_aspera 67.4%
      earn_100k 63.9%
      called_one 54.3%
      mine_tiles 47.9%
      uranium_fever 42.5%
      ad_fundum 37.4%
      earn_1b 36.7%
      Facts
      DeveloperOldbut Gold
      PublisherOldbut Gold
      GenresAdventure · Casual · Indie · RPG · Simulation
      ModesSingle-player
      Links
      Ratings
      dejus10
      igrs18
      steam_germany12
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