Combat & defense
Hull Rupture Wave 40: Performance Issues and Endless Mode Guide
What happens after wave 40 in Hull Rupture, including performance challenges, Endless Mode separation, and late-game strategies.
Hull Rupture’s wave 40 milestone represents a significant turning point where the game’s performance and balance challenges become apparent. During the demo phase, Konfa Games discovered that many players pushed far beyond the standard 20-wave Classic Mode, revealing optimization issues that the development team hadn’t anticipated.
Understanding Wave 40 and Endless Mode
Hull Rupture features a Classic Mode where players must survive through 20 alien waves to complete a run. Once you defeat the final wave in Classic Mode, the game transitions into Endless Mode, where waves continue indefinitely until your ship is destroyed or Despot’s HP reaches zero.
The wave 40 threshold became notable during the demo period because it represented double the intended Classic Mode length. According to the developers’ September 25 patch notes, “we didn’t expect so many of you to get that far, and we’ve now realized that we missed the mark with the Endless Mode balance again.”
In the full release launching November 4, 2026, Endless Mode has been separated from Classic Mode entirely. Rather than automatically beginning after completing a Classic run, Endless Mode is now its own distinct game mode that players can select independently. This separation allows the developers to “balance and optimize it separately” with dedicated settings for extended play sessions.
Performance Challenges After Wave 40
The most significant issue players encountered around Hull Rupture wave 40 was performance degradation. The demo patch notes specifically addressed this concern, breaking down the performance problems into three categories:
Bugs causing performance issues: The development team was actively finding and fixing bugs that contributed to slowdowns, with work ongoing through the demo period.
Slowdowns after wave 40: This was the primary concern. The developers acknowledged that the unexpected number of players reaching these late waves exposed balance problems they hadn’t accounted for during development. The Endless Mode balance wasn’t calibrated for the complexity and entity count that accumulates over 40+ waves of alien assaults.
General performance before wave 40: While the team was working on overall performance optimization, their main priority remained finishing gameplay systems for the November 4 release.
The performance issues stem from the cumulative nature of Hull Rupture’s base-management systems. As your ship expands with additional hull blocks, modules, defense turrets, and human workers, the computational load increases. By wave 40, a well-developed ship has significantly more active systems than the game was initially optimized to handle during the demo phase.
Hull Construction and Late-Game Strategy
Reaching Hull Rupture wave 40 requires strategic planning from the beginning of your run. The Hull Construction system plays a crucial role in preparing your ship for extended survival.
Hull Construction allows you to expand your ship at any time during a run by placing randomly offered blocks with empty module slots. There are 15 different construction blocks available, appearing in randomized order without repeating until the entire set cycles through.
When planning for late-game waves, consider these architectural principles:
Route optimization: Enemy alien drop pods land across most of the ship’s outer surface. Creating longer routes means drop pods are spread further apart. Bosses always land on the far left, upper part of the ship, furthest from the Airlock. Giving them more distance to travel prevents multiple threats from piling up simultaneously.
Module adjacency: Placing modules adjacent to one another improves artifact synergies and reduces the distance human workers need to travel. This becomes increasingly important in later waves when efficient resource production determines survival.
Turret positioning: Long-range turrets work best in open areas or exposed corners, while short-range turrets suit small, enclosed sections created by strategic gaps between construction blocks.
Some players discovered an effective strategy during the demo: building a spiral pattern just outside the Airlock creates a maze that forces enemies approaching from multiple directions through extended firing lanes.
Module Randomization and Resource Management
The September 25 demo patch introduced changes to how module kits appear in shops and the Despot’s Chamber. The randomization system was adjusted so players would be “much more likely to find a module kit you haven’t seen yet during the current run, and less likely to receive one that dropped recently.”
This change addressed community feedback about difficulty obtaining necessary modules with the shop system. For players pushing toward wave 40 and beyond, having access to diverse module types becomes essential for maintaining production chains and defensive capabilities.
The developers planned to add more modules for the full release that can produce the same resources through different methods. For example, modules with switches allowing players to choose which Uncommon resource they produce. However, they maintained that “containers with module kits are still meant to be a central part of the game and its balance.”
Game Modes and Difficulty Settings
Hull Rupture launches with three starting ships, six modes, and four difficulty settings. Players begin with one ship and Classic Mode unlocked, with additional ships and modes available through progression.
The six modes provide variety for different playstyles:
- Classic Mode: The standard 20-wave experience
- Endless Mode: Separate mode for unlimited waves (no longer automatically triggered)
- Trade Mode: Can be carried over if unlocked in the demo
- Three additional modes unlockable through gameplay
The separation of Endless Mode from Classic Mode for the full release directly addresses the wave 40 performance concerns. By making it a distinct mode with dedicated settings, the developers can implement specific optimizations and balance adjustments for players who want to push beyond the standard 20 waves.
Artifacts and Progression Systems
Artifacts in Hull Rupture provide modifiers that improve modules, change their functionality, and create new synergies. The demo featured an artifact unlock system, though these unlocks won’t transfer to the full game because “the demo didn’t include the final unlock conditions that will be used in the full game.”
For reaching high wave counts like wave 40, artifact selection becomes critical. The adjacency mechanics of certain artifacts work better when modules are built close together, while other artifacts might benefit from spread-out defensive positions.
Players who completed the tutorial in the demo won’t need to replay it in the full game, and Trade Mode unlocks will carry over. However, all other progress, including artifact unlocks, starts fresh with the November 4 release.
Pricing and Availability
Hull Rupture launches on November 4, 2026, at 3 PM CET. The game costs $14.99 with a 10% launch discount available. Konfa Games planned to announce bundle options with other games on launch day.
The game exists in the same universe as Despotism 3k, Despot’s Game, and Slime 3K, though prior experience with these titles isn’t required. Players familiar with the series already know the Galactic Union’s mistake in attacking Despot.
FAQ
What wave does Classic Mode end in Hull Rupture? Classic Mode ends at wave 20. In the full release, Endless Mode is a separate mode rather than automatically continuing after Classic Mode.
Why does performance drop after wave 40? The developers didn’t anticipate players reaching that far during the demo, revealing balance and optimization issues. The cumulative complexity of expanded ships with numerous modules and defense systems causes slowdowns.
Will Endless Mode performance be better at launch? Yes, Endless Mode is now separate with its own settings, allowing dedicated optimization and balance specifically for extended play sessions.
Do demo unlocks carry over to the full game? Tutorial completion and Trade Mode unlocks transfer, but artifact unlocks must be earned again using the full game’s final unlock conditions.
How many construction blocks are available? There are 15 different construction blocks that appear in randomized order without repeating until the full set cycles through.
Sources & Verification
Not independently verified · Method: Automated source relevance check; claims not independently fact-checked · Checked:
- Hull Rupturesteamcommunity.com · Source checked: