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A modern, yet classic sci-fi roguelike,
spiritual successor to D**m, the Roguelike.

An epic battle of a lone marine against the forces of hell,
taking place on the moons of Jupiter.


SCREENSHOTS

LATEST NEWS

Jupiter Hell 0.8.4 - Infernal Intellect!

Jupiter Hell 0.8.4 - Infernal Intellect!

Time to outsmart hell itself! The major 0.8.4 update is now live and most notably introduces a full overhaul of Jupiter Hell's AI system! Enemies now can hear you, smell you and humanoids know the value of cover!

Infernal Intellect

The AI system has been completely rewritten - humanoids will now take and stay in cover if close, and most of the enemies will react to the noise you and other enemies make! To make things more interesting, fiends and ravagers can now track you by smell - there's nowhere to hide from them! The new AI increases the general difficulty, but makes (especially the early levels) the game more interesting - just standing behind cover and mashing "F" is no longer the best tactic - sometimes you need to retreat to bait the enemies to follow you, and often you'll be ambushed by enemies following you by scent, or interested in the noise you made.

Weapon Perks

The other big update is the introduction of weapon perks on ADV weapons. Take careful note of them as they might prove much better than regular modded weapons or exotics especially if the perk requirements are met. Perks for example can increase damage based on the type of enemy, your distance to them, whether they are wounded or make reloading of the weapon really fast if its empty, or even automatically reload on move! The perk list will be slowly expanded both in variety as well as adding them to other items in the future!

Quality of Life

Two "quality of life" features have been added - an audible click on wait, and highlighting the last enemies on the level on the minimap (doesn't trigger on levels with summons). We also made "swap time" actually work propely, which also changes a lot - we reduced the 200% swap time weapons as this might be a bit much, especially for seasoned players.

Balance Changes

Due to the AI changes we made some enemy nerfs - Callisto formers are less accurate, and the UV enemy buff of accuracy has been reduced to +10%. Speaking of UV, we also made it so that there are no "lucky drops" of early late game weapons - to provide for a more consistent early game.

We nerfed P-mods a bit, as they basically reduced endgame to P3-modding a rapid-fire weapon - to offset that, summoner armor has been nerfed and now everyone can single-mod ADV weapons and everyone has two levels of Whizkid. This is subject to change soon, as we'll be doing a full mod overhaul in the near future, so stay tuned!

Full Changelog

NEW #852 - ADV weapons now may have unique perks!
NEW #812 - Major AI overhaul! (see other issues for details)
NEW #812 - humanoids will now consider (and stay in) cover!
NEW #841 - most enemies will hear and investigate sounds!
NEW #840 - fiends and reavers now can follow player scent!
NEW #850 - waiting now plays an audible click
NEW #851 - last 3 enemies may be revealed on the minimap
CHANGE #812 - enemies will no longer ignore you if they saw you
CHANGE #839 - AI aware state resets after losing target
CHANGE #833 - UV enemy accuracy bonus reduced from 20% to 10%
CHANGE #833 - Callisto formers have even lower accuracy
CHANGE #833 - wall cover now gives 70% cover instead of 80%
CHANGE #834 - p-mods give +1 on multishot bullet weapons (smg/auto)
CHANGE #834 - nerfed summoner armor slightly
CHANGE #834 - everyone can single mod ADV items
CHANGE #834 - Technician can mod every item twice by default
CHANGE #834 - every class has two levels of Whizkid
CHANGE #835 - min depth for some items added - no early UV chainguns
CHANGE #732 - reduced the emissiveness of lava cave rocks
CHANGE #732 - improved terrain rendering performance
CHANGE #847 - crash handler will work when Vulkan device is lost
CHANGE #842 - crash handler will work when assertion fails
CHANGE #824 - Aim modifier is always lost when switching weapons
CHANGE #823 - Aim resets if loosing sight of enemy
CHANGE #852 - Point Blank now gives +80% crit chance
CHANGE #732 - optimized terrain rendering
CHANGE #845 - decreased 200% swap-times to 150% to prevent surprises:
FIX #845 - swap time now works properly
FIX #853 - fixed targeting related crash on level change
FIX #732 - ADV auto rifle now uses proper sprite
FIX #732 - minor spelling/grammar fixes
FIX #831 - fixed crash on trying to drop with empty inventory
FIX #849 - pad trigger will no longer lock on use from ground
FIX #846 - 0-damage sources (smoke screen) wont "benefit" from SoB
FIX #830 - reset enemy number after wipe (fixes enemies left)

Next Update

Due to Game Industry Conference coming next weekend, the next update (0.8.5) will come in around three weeks time, although you can expect a bugfix version or two within the next few days :P

Help us out!

Please tell us what you think of the recent changes, in the comments, on the Forums or on Discord!

Also, we're launching this update with a discount, so if you're a dedicated player it's a great moment to share Jupiter Hell with your communities :)

Thanks for all your support, and see you next update!

Synopsis

Jupiter Hell is a roguelike set in a 90's flavored sci-fi universe. Set on the moons of Jupiter, the game pits a lone space marine against overwhelming demonic forces. Rip and tear zombies, demons and unmentionable monstrosities, using classic weaponry such as shotguns, chainguns, railguns and the trusty chainsaw. All to the shine of CRT monitors and the tune of heavy metal!

Dive deep into a true form of the 30 year old roguelike game genre that has resurged in popularity. Experience turn-based, grid-based permadeath and fully procedural levels, all in glorious 3D visuals. Get ready for the spiritual successor to DoomRL, the parody roguelike that years ago streamlined the traditional format and popularised a new wave of accessible roguelikes. Distilled, hardcore gameplay, fast-paced challenge and limitless death all await.

Welcome to Jupiter Hell.

Features

True Roguelike!

  • Permadeath adds tension and significance to gameplay decisions
  • Turn-based and grid-based world to emphasise tactical decision making
  • Procedural environments mean you never know what’s lurking behind the next corner
  • Brutal but fair difficulty will have you constantly coming back for more

Fluid Gameplay

  • Dynamic turn-based action with adaptive animation lets you play at your own pace
  • Intuitive UI for clear and fast decision-making
  • Streamlined gameplay centres on the action instead of micromanagement
  • Action-centric game flow with repeated peaks of blood-stained joy

Smart Procedural Generation

  • Sadistic algorithms create unending challenges
  • Randomised missions intertwine with adaptive plot arcs for continuous variety
  • Generated events and environmental interactions keep you constantly engaged
  • Built upon decades of expertise in producing truly engaging procedural content

Limitless Challenge

  • Highly varied enemies require different strategies to beat, especially in combination
  • Unique enemy behaviours and skills
  • Legendary boss battles that will test your worth as a player
  • Advanced difficulty modes and special challenges for the most masochistic players