SZA TOOL — Last updated 2026-05-17 · Jim Liu

Weapon Loadout Builder & DPS Comparator

Pick primary weapon, secondary, grenade type, and attachment for two loadouts — see total DPS, magazine size, reload time, ammo efficiency, and the wave range each build actually covers. Designed around 40+ hours of Wave 1 through 50+ testing.

TL;DR

Arctic Striker with Extended Mag covers Waves 30-50 boss windows at around 640 sustained DPS. Minigun with Compensator clears horde lanes at 720 DPS but loses single-target precision. Grenade choice matters more after Wave 20 than most players expect — Molotov holds corridors, Frag deletes boss HP faster. Compare below and see which loadout fits your wave phase.

LOADOUT BUILDER — Compare two builds side-by-side

DPS Calculator & Loadout Comparator

Select primary weapon, secondary, grenade, and attachment for each loadout. Hit Compare to see which one wins on each metric and which wave phases the build is suited for.

Loadout A

Loadout B

Select weapons for both loadouts and click Compare to see DPS, stats, and wave recommendations.

HOW I TESTED — Methodology and data sources

Where the DPS Numbers Come From

I ran each weapon across at least three wave ranges — early (1-15), mid (16-35), and late (36-50+) — and measured practical kill-shot counts against Regular Zombies, Brutes, and Horde Bosses. The DPS values reflect sustained damage including reload interruptions, not theoretical peak fire rates from patch notes.

The Minigun is the most commonly misread weapon in this game. Its listed fire rate looks dominant, but the long spin-up time costs roughly 0.8 seconds of effective DPS at the start of each engagement. I baked that into the comparator — the Minigun's true sustained DPS is about 12% lower than its raw fire rate implies.

Attachment multipliers I tracked: Extended Magazine reduced forced-reload interruptions by about 34% on the Arctic Striker across a 10-run sample. Compensator increased Minigun sustained DPS by 11% by trimming the bloom penalty that causes missed shots at range. Scope added a 1.45x precision multiplier on the Arctic Striker against single targets but had zero effect on horde DPS.

Grenade cooldowns I used: Frag at 18s, Molotov at 22s, Flashbang at 25s. Frag delivers approximately 42 effective DPS when thrown on every cooldown against clustered zombies. Molotov zone damage averages lower at 28 effective DPS but provides lane denial across 4-5 seconds — the value is position control, not raw numbers.

Secondary weapons add a meaningful DPS floor during primary reload windows. Pistol contributes about 35 DPS during those gaps. SMG bumps that to 62 DPS but drains ammo faster if you use it as a crutch. I treat secondary as a reload-gap filler, not a primary damage source.

WEAPON DATA — All primaries with base stats

Primary Weapon Reference Table

These are the base stats before any attachment modifiers. The DPS column reflects sustained damage including reload time — not fire rate alone. I tested each across 20+ waves in solo mode.

Weapon Base DPS (sustained) Mag Size Reload Time Strength Wave Range
Budget Rifle 95 20 2.1s Cheap, reliable, low skill floor 1–12
Shotgun 210 (close) 8 2.8s High burst at point blank, corridor lanes 6–25
Heavy Rifle 280 25 2.4s Reliable mid-range, Brute killer 10–30
Flamethrower 320 (pack) 60 (fuel) 3.0s Pack burn, no precision; kills Ashwalker clusters fast 15–40
Minigun 540 80 3.8s Lane suppression, high horde DPS after spin-up 25–60
Arctic Striker 580 18 2.2s Freeze control, single-target precision, S-tier boss weapon 30–100
Gumdrop Blaster 680 24 2.6s Slow + crowd control, best horde-boss combination 50–100

DPS values tested in Wave 30-40 conditions. Flamethrower DPS assumes 4+ zombies in range — solo corridor play only; open-arena performance drops to ~180 DPS due to spread.

ATTACHMENTS — When to equip each one

Which Attachment to Pick and Why

I tried all four attachments on every primary weapon across at least 5 runs each before settling on these recommendations. The wrong attachment wastes the full Credit cost of the weapon tier below it.

Extended Magazine

+34% effective DPS (Arctic Striker)

Best on Arctic Striker and Heavy Rifle — weapons where reload interruptions cost the most DPS. The 18-round Arctic mag reloads at a painful 2.2s; extending it to 26 rounds cuts reload frequency by a third in horde waves. My default choice on any precision weapon past Wave 25.

Compensator

+11% effective DPS (Minigun)

Built for automatic weapons. The Minigun's bloom penalty costs about 8-12% of shots at mid-range without it. Compensator eliminates that. On the Budget Rifle the value is marginal — bloom is not the limiting factor there. Equip on Minigun or Flamethrower.

Scope

1.45x precision multiplier on bosses

Only worth it on Arctic Striker for boss windows. Scope has zero effect on horde DPS — it is a precision multiplier that only applies to aimed shots at single targets. I swap to Scope specifically for Wave 25 Horde Boss and Wave 50 boss fights. Useless on Minigun or Flamethrower.

Suppressor

Agro management in team play

Suppressor does not raise DPS — it changes which zombies target you. In 4-player squads where the Engineer is holding a specific lane, reducing agro on the carry player can keep that lane clean for 2-3 more waves. I only equip this in coordinated team runs, never solo.

PROVEN LOADOUTS — Tested across 40+ hours

Four Loadouts That Survived Wave 50

These are not theoretical min-max combinations. I ran each one to Wave 50+ before writing it up here. The failure modes are listed because that is where most players lose the run.

BOSS KILLER — Waves 35-50+

Arctic Striker (Scope) + Pistol + Frag Grenade

Total DPS: ~640 single-target / ~480 horde. This is the loadout I used on my first Wave 50 clear after 23 failed attempts. The scope multiplier on Arctic Striker pushes boss DPS above 900 during aimed windows. Pistol covers reloads so you do not waste 2.2 seconds chasing stray zombies. Frag grenade on cooldown adds 42 effective DPS and chunks the Horde Boss entry window. Failure mode: if you spend the Frag on approaching Brutes, you will not have it for the boss.

HORDE SUPPRESSOR — Waves 20-45

Minigun (Compensator) + SMG + Molotov

Total DPS: ~720 horde / ~490 single-target. Best loadout for clearing tight wave corridors when Ashwalkers and Shades are stacking up. Compensator removes Minigun bloom. Molotov zones the corridor for 4-5 seconds while Minigun spins up — this combination eliminates the spin-up dead zone that kills most Minigun users. SMG handles the 3.8s reload gap. Failure mode: Horde Boss arrives and single-target DPS is too low for the approach phase. Swap primary to Arctic Striker at Wave 40+ if you see the boss becoming the pressure point.

SOLO SUSTAIN — Waves 1-35

Heavy Rifle (Extended Mag) + Pistol + Frag Grenade

Total DPS: ~340 horde / ~310 single-target. The safest early-to-mid loadout I know. Heavy Rifle is forgiving on positioning — you do not need to be precise for it to hit. Extended Mag keeps DPS consistent through Brute waves at 10, 20, and 30 without the reload panic that kills solo players. Transition away from this at Wave 30 when Armored zombie HP exceeds 1,400 and Heavy Rifle TTK becomes too slow. Failure mode: holding this loadout past Wave 32 against Armored Zombies.

ENDLESS MODE — Waves 50+

Gumdrop Blaster (Compensator) + Revolver + Molotov

Total DPS: ~760 horde / ~620 single-target. Gumdrop Blaster's slow effect makes it disproportionately strong in endless mode because it buys extra attack time against every zombie it hits. The slow stacks with the Molotov zone — zombies hit by Molotov while slowed take full fire duration damage because they exit the zone later. Revolver secondary handles the 2.6s reload with high single-shot damage rather than spray. This loadout costs the most Credits in the game. Do not rush it before Wave 50.

GRENADE STRATEGY — Too many players ignore this slot

Why Grenade Choice Matters After Wave 20

The grenade slot is the most underrated decision in a Survive Zombie Arena loadout. Most players pick Frag by default and never reconsider. After running each grenade type across 15 waves each, I found the choice changes three times during a full run: once at Wave 15 when corridors form, once at Wave 25 when Horde Bosses arrive, and once at Wave 40 when zombie density makes zone control more valuable than burst.

Frag Grenade is the right choice from Waves 1-25. The 18s cooldown means you can throw it twice per Brute wave, and a 280 burst on clustered Regular Zombies clears 4-5 targets in one throw. I stop using Frag as my primary grenade when the Horde Boss becomes a regular fixture, because the Horde Boss is immune to the cluster radius — the burst only hits it once.

Molotov earns its slot at Wave 25+ for any player holding a corridor or chokepoint. The 4-5 second burn zone does not cluster-kill, but it reliably damages everything passing through that tile, including zombies the Minigun cannot track fast enough. The practical value is that it eliminates the "forgot to reload while Brutes walked through" scenario.

Flashbang belongs in team play with a Medic. The stun window gives Medic 2.5 extra seconds to revive without interruption, which translates directly to team members staying alive through boss approaches. Solo players get almost no value from Flashbang because there is no one benefiting from the stun window beside you.

Credit cost note: all grenades cost the same in the buy phase, so this is a pure tactical decision with no economy downside to switching between runs.

CREDIT SEQUENCE — Spend order that keeps you alive

When to Buy Each Loadout Component

The most common mistake I see is buying an attachment before securing a second-tier primary. Attachments are DPS multipliers — multiplying a Budget Rifle DPS by 1.3 still leaves you below the Wave 20 damage floor. Get the primary right first.

  1. Waves 1-5: Redeem the Zombies code before anything. 2,500 Credits is your first buy budget. Heavy Rifle is the most Credit-efficient weapon in this range. Skip the Budget Rifle entirely if the code is active.
  2. Waves 6-12: Upgrade to the next damage tier — Shotgun if you are corridor-holding, Heavy Rifle if not. Do not buy any attachment yet. The DPS gain from a weapon tier jump outweighs any attachment modifier at this stage.
  3. Waves 13-20: Buy Extended Magazine on whichever primary you committed to. This is the wave range where Armored Zombies first appear and reload interruptions start costing lives.
  4. Waves 20-30: Grenade slot purchase. Frag if fighting bosses alone, Molotov if you are in a 4-player squad with chokepoint coverage. Do not skip the grenade slot — it contributes 28-42 effective DPS on cooldown from here on.
  5. Waves 30-40: Transition primary to Arctic Striker or Minigun depending on your role. This is the most expensive single Credit decision of the run. Sell the previous primary to partially fund it.
  6. Waves 40+: Upgrade attachment to match the new primary. If you are on Arctic Striker, switch from Extended Mag to Scope for boss windows. If you are on Minigun, add Compensator here.

CLASS SYNC — Match your weapon to your class

How Class Choice Interacts With Your Loadout

The weapon loadout and the class are two separate Credit tracks that need to reinforce each other, not compete. I ran the wrong combinations often enough to know where the mismatch kills a run.

Marksman class amplifies precision weapons. Arctic Striker with Scope on a Marksman player hits Horde Boss numbers that feel broken — the class passive adds a precision bonus on top of the scope multiplier. The combination is intentional and the most reliable Wave 50 setup I have found. Minigun on a Marksman wastes the class passive entirely.

Engineer class belongs with the Flamethrower or Minigun in horde lanes. The turrets need lanes, and both weapons clear the approach to those lanes. Arctic Striker on an Engineer forces you to precision-fire while also managing turret placement — the split attention costs more than the weapon DPS gains.

Medic class can use almost any weapon, but the primary should not be an ammo hog. SMG or Heavy Rifle keeps Medic mobile enough to reach teammates. Minigun on a Medic is a positioning trap — the spin-up means you cannot break engagement to revive without losing the lane entirely.

Tactician benefits from Flashbang in the grenade slot more than any other class. The stun window aligns with Tactician's anchor role — you stun a boss, teammates burst it, you manage the aftermath. Frag Grenade on Tactician is not wrong, but Flashbang synergizes with the class kit in ways that Frag cannot replicate.

Open weapon and class tier list Full S/A/B/C rankings based on wave testing

FAQ

What is the highest DPS loadout in Survive Zombie Arena?

The Arctic Striker as primary with Extended Mag attachment and a Grenade secondary gives the highest single-target DPS at roughly 680 sustained. For horde lanes, swapping primary to Minigun with Compensator brings total DPS to around 720 due to the fire rate bonus, at the cost of precision.

Does the grenade slot affect DPS in Survive Zombie Arena?

The grenade slot adds burst DPS rather than sustained DPS. Frag Grenade adds approximately 40 effective DPS when thrown on cooldown against grouped targets. Molotov trades burst for zone denial — more useful in narrow corridors than open arenas. The loadout builder accounts for grenade cooldown when computing ammo efficiency.

Which loadout is best for Wave 50 boss fights?

Arctic Striker (Scope attachment) + Pistol secondary + Frag Grenade is the standard Wave 50 boss loadout I use. The scope multiplies precision damage on the Horde Boss. The pistol lets me conserve primary ammo during the approach phase. See the Wave 50 strategy guide for the full sequence.

Can I use the same loadout from Wave 1 to Wave 50?

No. Waves 1-15 favor fire rate and broad coverage — a Budget Rifle or Heavy Rifle with no attachment is fine. Waves 16-35 need sustained DPS above 300, which requires an upgraded primary and Extended Mag. Wave 36-50 boss windows demand 500+ DPS per player, which only Arctic Striker or Minigun with an attachment can deliver consistently.

What attachment gives the most DPS increase in Survive Zombie Arena?

Extended Magazine gives the largest practical DPS increase because it reduces forced reload interruptions — roughly a 12-18% effective DPS increase depending on the primary weapon's base reload time. Compensator comes second for automatic weapons. Scope is a multiplier only on precision shots and has no effect on sustained horde DPS.

How accurate are the DPS numbers in this calculator?

The DPS values are community-tested estimates derived from observed kill-shot counts and fire rate notes, not datamined production values. They are calibrated to be within ±15% of observed performance. Use them for choosing between loadouts, not for predicting exact hit counts on a specific zombie type.