Yet Another Merge Game is an Idle Game by VeproGames released in 2020. You have mergers spawn on the board every few seconds. Each merger produces Matter and merges with another upon collision, raising its tier by 1 and multiplying Matter production by 5. Once enough Matter is accumulated, you can buy upgrades and interact with new mechanics to progress even farther.
A major update was released in 2021. It added Molecules as a resource unlocked upon reaching merger tier 420, a few new upgrades, new backgrounds and merger designs, and other small fixes.
It is playable on Github
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This game provides examples of:
- 420, Blaze It: The molecules system unlocks at Merge level 420.
- Adam Smith Hates Your Guts: In addition to the typical exponential cost growth found in idlers, the game employs several other cost scalings that trigger every set number of levels to ensure that production doesn't increase too quickly. The cost growth of Better Mergers becomes double-exponential at level 10,000 since that's the intended endgame (you unlock the last background at merger level 10,000).
- Anti-Frustration Features: There are many different number formats that can be used instead of the default one, which is useful as the numbers lategame can get difficult to read. For example, 1TMI-SpNnTcFull name can be converted easily to 1e10194.
- Cap:
- Some of the upgrades have a cap ranging from 10 to 100, mostly those related to random chance or decreasing requirements.
- Each molecule's power is capped at ^10, which is reached at v90,001.
- Color-Coded Item Tiers: Most of the early merger tiers are recognizable almost purely by color. Later ones add small particles and other smaller mergers attached to them. In Low Performance mode, all of them turn grey though.
- Diminishing Returns for Balance: Each upgrade for Molecules multiplies the merges needed for the Molecule Level by 0.99x, but this is eventually softcapped and they'll stop decreasing nearly as much to not make them max out too early.
- Empty Levels: Thanks to Diminishing Returns for Balance, Prestige's Matter Boost in the lategame gives almost nothing compared to Isotopes'/Molecules' Matter Boost, which outright doubles your matter gain each time it's bought.
- Export Save: Pressing export gives you the 1KB+ save file which can be imported by pasting it into an in-game window. The game gives a stern warning to export frequently.
- Fusion Dance: The entire game is about merging two balls together to create a higher level one. Each level gives five times more matter than the last, although in lategame, this multiplier can be increased.
- Loading Screen: There's a loading screen before the game starts which shows a merger at a random level you've obtained.
- Lore Codex: The Mergepedia catalogues what mergers the player has reached, as well as their production and base production rates.
- Luck-Based Mission:
- A lot of your progress in the early game relies on whether two suitable balls get to collide with each other (which depends on factors, such as speed, size, and direction). Sometimes this can happen very quickly, other times you will need to wait minutes.
- Initial isotope generation starts at a 1% chance per merge. It can be quickly increased, but it still has a low chance until much later.
- Magikarp Power: New elements from Molecules start very weak compared to previous ones, but get exponentially stronger with each level until they surpass the previous ones. The game even points this out beforehand."Do not be intimidated by low base values of later Molecules, their production is going to rise much faster and easily catch up."
- Money Multiplier: Almost every currency has the capability to increase the drop amounts of the previous ones. Quantum Foam boosts Matter directly and can give a separate boost to both Matter and another to itself with upgrades. Isotopes and Molecules both have a stacking Matter upgrade, and the latter also has an addictive Isotope multiplier. More Matter multipliers are accessible from Energy Cores, Quantum Processor Cores and the "Support Me" bonus.
- New Game Plus:
- At 1e15 matter, you gain access to Prestige, where you reset all mergers, Matter, and Matter upgrades for Quantum Foam that boosts overall Matter production by 1% each and four new upgrades.
- Starting from 1e11 Quantum Foam, you can buy a Quantum Processor Core, but this resets all mergers, Matter, Matter Upgrades, Quantum Foam, and Foam Upgrades. As you can only have up to five Cores, it's pretty short-term.
- New Resource Midgame:
- Quantum Foam is unlocked at 1e15 matter, giving a 1% boost each and unlocks new upgrades, such as faster ball movement or free matter at the start of a run.
- Isotopes are unlocked after getting the first Quantum Processor Core. They are used for new upgrades including a chance to spawn two balls at once, in addition to new multipliers.
- The final resource unlocked are Molecules, at Merger #420. It ramps up very quickly, and allows to increase your Isotope multiplier, Energy Core filling speed and more multipliers.
- Quantum Mechanics Can Do Anything: Each Quantum Processor Core is used to multiply matter production by x25, which can be upgraded with Isotopes.
- Please Subscribe to Our Channel: The "Subscribe" button at the bottom links to the creator's YouTube channel so you can do that. Clicking on it grants a 3x Matter boost that eventually goes up to 729x. However, you don't actually need to subscribe to get the boost, if you're on galaxy.click at least.
- Purposely Overpowered: The Automatic Foam upgrade grants you the ability to gain Quantum Foam every second, which is absurdly powerful as it grants a multiplier and makes upgrades closer every second, effectively rendering the Prestige system next to superfluous. That's why it costs 10,101,010 Isotopes for even the first level at 0.1%, as getting it anywhere before that point would trivialize a large part of the game.
- Random Drop: Once you unlock Isotopes, a merge has a 1% chance to produce one, which can be increased up to 100% with upgrades.
- Serial Escalation: Like most idle games, almost everything stacks multiplicatively, resulting in massive numbers lategame, especially when Molecules come into play. The last molecule type costs 1e10000 molecules to even unlock, and upgrades continue from there, and matter can reach those values by endgame.