The year 2025 brought exciting developments to Murder Mystery 2, especially with the introduction of the Summer Event as a flagship seasonal update. This event shook up the community with new knives, evolving mechanics, and fresh ways to showcase rare collectibles. Here's a thorough breakdown of the most coveted knives of 2025.

Introduced in the Summer Event released on July 18, 2025, the Synthwave is an Evo-type knife that evolves through four aesthetic stages—Rare → Legendary → Godly → Ancient—based on your accumulated EXP.
This knife is non-tradable and can only be obtained via the Synthwave Gamepass, priced at 3,399 Robux.
A vivid, dynamic collectible, it's become the standout star of 2025.
Obtained at Battle Pass Tier 25 (costs 90,000 Beach Balls), with a chance to unlock the Chroma variant (~2%).
As a Godly knife with an FX tag and shifting colors, it commands high demand—estimated trading value of around 3,500.
The standard version of the above, also obtainable at Tier 25 for 90,000 Beach Balls.
Themed in indigo and yellow with glowing effects—demanded at values approximating 275–400.
If you’re looking to expand your collection with the most sought-after blades this year, make sure to Buy Murder Mystery 2 Knives from trusted marketplaces where exclusivity, rarity, and fair pricing come together—helping you secure top-tier items like Synthwave, Chroma Sunset, and Sunset without the endless grind.
A Legendary rarity knife with underwater-themed visuals, featuring fish and coral.
Has a 5% drop chance from the 2025 Summer Box (which costs 800 Beach Balls or 1 Summer Key).
From earlier years but retaining prominence in 2025:
| Knife | Highlights |
|---|---|
| Harvester | Ancient rarity, crossbow-shaped, limited to Halloween 2021—highly coveted. |
| Chroma Darkbringer, Chroma Heat, Chroma Fang | Cult-favorite Chroma Godly knives—prized for color-shift effects and rarity. |
| Icebreaker | Ancient knife from Winter 2020; icy design, high collector value. |
| Batwing | Ancient, Halloween 2018 release—bat-themed, spooky aesthetic. |
| Elderwood Scythe | Giant Ancient scythe from Halloween 2019—dark lore, big visuals. |
| Luger | Classic Godly knife with sleek style; timeless and consistently popular. |
| Chroma Luger, Eternal III | Elevated versions (Chroma Luger) and limited code-based releases (Eternal III). |
| Knife | Rarity | Trade Value (Approx.) | Demand Level | Notes |
|---|---|---|---|---|
| Synthwave (Evo) | Ancient (Evo) | Non-tradable | Very High | Exclusive to Gamepass; cannot be traded, making it a prestige showcase item. |
| Chroma Sunset | Godly (FX, Chroma) | ~3,500+ | Extremely High | One of the top event knives; color-shifting effects raise its value. |
| Sunset | Godly (FX) | ~275–400 | High | Popular summer knife; non-Chroma but still valuable. |
| Aquarium | Legendary | ~50–80 | Medium | Attractive design, moderate drop chance from Summer Box. |
| Pop Art | Rare | ~15–25 | Low–Medium | Theme knife with quirky visuals; not a top trader but fun. |
| Tropical | Rare | ~20–30 | Medium | Bright, collectible, appeals to casual players. |
| Retro | Uncommon | ~5–10 | Low | Easy to obtain; more of a cosmetic collector's piece. |
| Harvester | Ancient | 5,000–8,000+ | Extremely High | Considered one of the most valuable knives ever; elite collector's item. |
| Icebreaker | Ancient | ~2,000–2,800 | Very High | Strong winter collectible; still popular in trades. |
| Batwing | Ancient | ~2,200–3,000 | Very High | Classic Halloween release, consistently desired. |
| Elderwood Scythe | Ancient | ~2,500–3,500 | Very High | Giant blade, rare event item; stable market value. |
| Chroma Darkbringer / Heat / Fang | Chroma Godly | 3,000–5,000 | Extremely High | Color-changing effects make them peak trade items. |
| Luger | Godly | ~250–400 | Medium | Classic design, strong long-term popularity. |
| Chroma Luger | Chroma Godly | 3,000–4,500 | Very High | Elevated version of Luger, rare and liquid in trades. |
| Eternal III | Godly | ~1,000–1,400 | High | Limited code-based release, no longer obtainable. |
Community-tiered rankings, such as the TierMaker All Weapons List (July 17, 2025), reflect player preferences across all weapon types.
Gamerant's August 2025 ranking includes prominent Chroma weapons like Chroma Lightbringer, Heartblade, and Corrupt—underscoring the sustained appeal of Chroma tier aesthetics, even if not all are knives.
In 2025, the MM2 knife landscape is defined by a blend of nostalgic classics and fresh innovations: