Every run in Acecraft starts from zero. Your attachments vanish when the stage ends, your EVO disappears, and the next run rebuilds it all from scratch. The Modify system is one of the few things that doesn’t reset, and that’s exactly why it matters so much.
So here’s the deal: if your plane feels like a paper airplane in a thunderstorm, the Modify screen is probably the menu you’ve been skipping. This guide covers both halves of it, Base Tune-Up and Super Tech, and how to spend on them, current as of the October 2026 update that added SP pilot Drakuku.
What the Modify System Is
Modify is your aircraft’s permanent upgrade tree. It unlocks very early in Adventure, within the first couple of stages, and it’s worth opening as soon as it appears. The screen is split into two columns:
- Base Tune-Up (left column): a vertical chain of core stat upgrades that cycles through ATK, DEF and HP. Each node is a small, permanent bump that applies to every run.
- Super Tech (right column): the advanced track. Instead of raw stats, it permanently upgrades specific attachments you pick up during runs.
Let me paint the picture: your runs are road trips, and Modify is the garage. Attachments make a trip exciting. Modify decides what kind of car you start the trip in.
Base Tune-Up: The Foundation
Base Tune-Up is straightforward. You spend Gold to unlock nodes down the chain, and each node raises ATK, DEF or HP for good. The chain alternates between the three stats, so you can’t dump everything into attack; you climb all three together.
That rhythm is actually a gift. I’m not gonna lie, plenty of players would starve their HP for damage if the game let them. Balanced stats keep you alive long enough to absorb pink projectiles, trigger Stunts and finish the boss, which is where your damage really comes from.
Why Gold Belongs Here Early
Gold is pulled in a lot of directions: pilot levels, gear upgrades, Modify. A common early mistake is spreading Gold across every pilot you own. Base Tune-Up helps whichever pilot you fly, so it never goes to waste when you switch your main later.
Super Tech: Upgrading the Roguelike Menu
But here’s where it gets interesting. Super Tech nodes sit next to the Base Tune-Up chain and open up as you progress down it. Each one permanently strengthens a specific attachment, so the next time that attachment shows up mid-run, it’s already better than it used to be.
The example on our screenshot is Enhanced Tracking Fireworks, which adds +10% damage to Tracking Fireworks. On its own that sounds small. Stack it across the attachments you pick most, and every run starts with a stronger version of your favourite build.
Super Tech can also need special materials on top of the tree progress, so expect it to move slower than Base Tune-Up.
| Base Tune-Up | Super Tech | |
|---|---|---|
| What it boosts | ATK, DEF and HP | Specific attachments (for example Tracking Fireworks damage +10%) |
| Main cost | Gold | Tree progress, sometimes special materials |
| Applies to | Every run, every pilot | Runs where you pick that attachment |
| Best for | Steady, all-round power | Making your favourite build hit harder |
How to Spend on Modify
- Open Modify after every chapter. Make it a habit, not an emergency button for when you’re stuck.
- Keep the Base Tune-Up chain moving. It’s the cheapest permanent power in the game and it helps every pilot.
- Grab Super Tech for attachments you actually use. Check which attachments you pick most often, then prioritise their Super Tech nodes. Our attachments guide covers which ones are worth building around.
- Balance Gold with pilot levels. Focus Gold on one or two main pilots plus Modify, not on levelling the whole roster.
- Farm Gold daily. Adventure stages, Flight Log quests and events like Co-Pilot all pay out Gold. The resource farming guide lists the best sources.
Where Modify Fits in Your Build
Modify is one layer of your long-term power, and the layers multiply each other. Higher base stats make your mid-run attachments land on a bigger foundation. Super Tech makes those attachments themselves stronger. Then the rest of the stack sits on top:
- Gear: equippable stat pieces you fuse up through the rarities. See the gear fusion guide.
- Emblems: equipped onto Gear for extra attributes, unlocked after Adventure stage 4-6.
- Pilot amplification: per-pilot power-ups, covered in our pilot amplification guide.
- Wingmen: an Epic Wingman of the same element as your pilot adds +25% Base Attributes.
If you want the full picture of how runs, Stunts and attachments interact, the game mechanics guide lays it all out.
Acecraft Modify System FAQ
What is the Modify system in Acecraft?
It’s your aircraft’s permanent upgrade tree. Base Tune-Up raises ATK, DEF and HP, and Super Tech permanently strengthens specific attachments.
What does Super Tech do?
Super Tech upgrades individual attachments for good. For example, Enhanced Tracking Fireworks adds +10% Tracking Fireworks damage whenever you pick that attachment in a run.
When does Modify unlock?
Very early, within the first couple of Adventure stages. Start using it right away.
Should I spend Gold on Modify or pilot levels?
Both, but keep it focused. Base Tune-Up helps every pilot, so it’s a safe place for Gold, while pilot levels should go to one or two mains.
The Payoff: Modify has no flashy unlock moment. It’s the quiet work in the garage that makes every other system hit harder. Anyway, open that screen after your next chapter, push the chain a few nodes, and feel the difference on your next boss.
