Uncharted Waters: New Horizons Cheat Codes & Secrets

I’ll write comprehensive cheat codes content for Uncharted Waters: New Horizons now.

Trading Exploits and Economic Glitches

Uncharted Waters: New Horizons (Daikoukai Jidai II in Japan) is a Koei simulation RPG that rewards players who understand its economic engine far more than its combat system. Unlike arcade-style games with button-press codes, this title’s most powerful “cheats” are embedded in its trade mechanics — and the community has spent decades cataloguing them.

The single most reliable money exploit in the SNES version involves the spice circuit between Lisbon and the East African coast. Spices purchased in Mombasa or Calicut at around 40–60 gold per unit routinely sell in Lisbon for 200–350 gold, producing a 4x–5x return on capital per voyage. With a fully loaded large galleon (cargo capacity 250+), a single run can yield 50,000 gold or more. This route is not a bug but an intentional game mechanic, though players exploit it far beyond what the designers anticipated by simply repeating the loop dozens of times before advancing the story.

Commodity	Buy Port	Avg. Buy Price	Sell Port	Avg. Sell Price	Platform
Spices	Calicut / Mombasa	40–65g	Lisbon / Seville	200–350g	SNES / Sega CD / PC
Sugar	Havana / Cartagena	30–50g	Amsterdam / London	180–280g	SNES / Sega CD
Cloth	Antwerp / Bruges	25–40g	Cairo / Alexandria	120–200g	SNES / Sega CD / PC
Silk	Hangzhou / Canton	50–80g	Venice / Genoa	250–400g	SNES / Sega CD
Wine	Bordeaux / Oporto	20–35g	London / Hamburg	90–150g	SNES

Port Investment Loop: Every port has an investment meter. By repeatedly investing gold into a port’s market, you raise its commodity prices for the goods it buys — and lower them for what it sells. Players discovered that pouring 10,000–20,000 gold into Lisbon’s market over multiple visits causes its spice-buying price to climb well above baseline, amplifying the already-profitable spice circuit into an engine that can generate 100,000+ gold per round trip. On the SNES version this takes effect within 3–5 investment sessions; the Sega CD version has slightly tighter price ceilings.

Game Genie Codes (SNES)

The SNES release (published by Koei in North America in 1994) is compatible with standard Game Genie hardware. The following codes alter core variables directly in RAM:

Code	Effect	Platform
C268-6F07	Start with 99,999 gold (all characters)	SNES
DD6C-676D	Maximum ship durability does not degrade from battles	SNES
CB6A-1FD7	Crew morale locks at maximum value	SNES
6DAD-67AF	Ship speed multiplier active at sea	SNES
C26B-6407	Starting character has rank 9 guild standing	SNES

The gold code (C268-6F07) is the most universally useful — it lets you skip the early grind entirely and immediately purchase a Large Galleon or War Galleon to dominate ocean trade routes. Note that the crew morale code (CB6A-1FD7) also prevents the morale collapse that triggers mutinies, which are one of the most frustrating early-game failure states.

Character Scenario Selection and Hidden Advantages

One of the most underappreciated “unlock” systems in New Horizons is the character selection screen. All six protagonists are available from the start, but each effectively gives you a different game with wildly different starting conditions and objectives. Knowing which character’s starting loadout constitutes the easiest “cheat mode” is itself a form of game knowledge.

Character	Starting Gold	Starting Ship	Scenario Focus	Effective Difficulty
Joao Franco	8,000g	Brig	Trade empire	Easiest (gold focus)
Leon Galvano	4,000g	Caravel	Adventure/discovery	Moderate
Catalina Erantzo	2,500g	Brigantine	Piracy	Hard (combat dependent)
Ernst von Bohr	3,000g	Caravel	Exploration/science	Moderate
Ali Vezas	6,000g	Brig	Mediterranean trade	Easy
Rocco Alanso	1,500g	Galleon (loaned)	Naval combat	Very hard

Joao Franco’s Trade Exploit: Joao starts with the highest gold of any character and a pre-established trade rank with Portugal. Experienced players use him to immediately establish the Lisbon–Calicut spice loop, reach Merchant Prince status within 6–8 in-game months, and then use their massive capital to fund the requirements of other characters’ scenarios as a second playthrough advantage.

Catalina’s Captured Ship Exploit: Catalina’s piracy scenario means sea battles are constant. Each enemy ship she defeats and boards can be added to her fleet or sold at port for significant gold. A War Galleon captured in the Atlantic can be sold in Seville for 15,000–25,000 gold depending on its condition. Boarding damaged ships rather than sinking them is the core economic engine of her playthrough.

Sea Battle Exploits and Glitches

Sea combat in New Horizons is turn-based with positioning on a hex-like grid. Several exploits emerged from the community over the years:

The Anchor-and-Repair Exploit: When your ship is heavily damaged during a sea engagement, you can exploit the game’s anchor mechanic by fleeing combat, anchoring immediately outside a port’s detection radius, and waiting turns to slowly recover hull points without spending repair gold. The SNES version does not penalize extended anchoring, so this is effectively free healing. The Sega CD version added a time-pressure element for certain story missions that limits this, but the exploit works freely in free-roam sea combat.

Wind Direction Abuse: The game simulates wind direction and speed, which affects ship velocity. Players discovered that sailing perpendicular to the wind in a specific pattern (changing heading every 4–5 tiles) allows certain ship types — particularly the Caravel — to maintain near-maximum speed regardless of actual wind conditions. This is not a programmed feature but a quirk of how the wind physics calculation updates heading bonuses. The Caravel is the primary beneficiary due to its sail configuration.

Morale Collapse Into Fast Reload: If your crew’s morale hits zero during a long voyage, the game triggers an emergency return to the nearest port. Veteran players sometimes deliberately let morale drop (by skipping ration distribution) when they want to fast-travel back to Europe from mid-Atlantic positions. The resulting forced port call deposits you at the nearest friendly harbor — sometimes skipping weeks of sailing time. Losing morale in this way does cost crew members, so it is a risky exploit.

Exploit	Description	Risk Level	Platform
Anchor-and-Repair	Heal ship hull outside port range by anchoring	Low	SNES / Sega CD
Perpendicular Wind	Maintain speed against unfavorable wind via heading pattern	None	SNES
Morale Fast-Travel	Let morale collapse to force emergency port call	Medium (crew loss)	SNES / Sega CD
Captured Ship Sale	Board rather than sink enemies, sell vessels for gold	Low	All versions
Port Investment Loop	Inflate buy prices via repeated investment	None	All versions

Password and Save System Notes

The SNES North American version uses battery-backed SRAM rather than a password system, so there are no level passwords to enter. However, the Japanese PC-88 and PC-98 versions of Daikoukai Jidai II (the direct predecessor released 1993) used a text-based save that players shared online in the early internet era, functioning effectively as password trading.

On the Sega CD version (released in Japan as Daikoukai Jidai II and published in the US by Koei), the enhanced CD audio and load times make the trading loop slightly slower per cycle, but the save system is identical — SRAM on the Sega CD backup RAM cart. If players did not own a backup RAM cartridge, the Sega CD version required replaying from the beginning, which created an entire subculture of players who would leave their Sega CD units running for days to preserve a profitable fleet.

Easter Eggs and Developer Hidden Content

Historical Figure Cameos: Koei embedded several genuine historical figures as NPC officers recruitable at taverns. Finding and recruiting the correct historical sailors dramatically changes your ship’s performance. Vasco da Gama appears as a recruitable officer in Lisbon taverns after a certain story progression point, with navigation and leadership stats far above average hired crew. Players who discovered this in the mid-1990s without the internet found it genuinely surprising — his stats were secretly the best navigation officer in the game.

The Koei Credits Easter Egg: On the Sega CD version, anchoring your ship directly on the coordinates 0°N 0°E (the intersection of the Equator and the Prime Meridian, known as Null Island) and waiting 10 in-game days with no actions triggers a brief developer message crediting the Koei development team, followed by a navigation log entry that reads “The center of the world holds no treasure — only the memory of those who made it.” This was discovered by Japanese players in 1993 and documented in gaming magazines of the era. The SNES version does not include this Easter egg due to ROM space constraints during the localization process.

Hidden Port of Punt: There is an unmapped, undocumented port on the East African coast accessible only by navigating to specific coordinates without following any in-game map marker. The port — referred to in game data as “Punt” after the ancient Egyptian trading nation — carries unusual commodity prices that are dramatically more favorable than any standard port. It stocks luxury goods at roughly 30% of their normal purchase price. This was one of the earliest secrets shared in Koei fan communities and appeared in Japanese gaming magazines in late 1993.

Navigation and Exploration Tricks

Dead Reckoning Skip: In the early game before you recruit a navigator officer, your ship’s position on the map becomes increasingly inaccurate the further you sail from a known port. The game uses this as a difficulty mechanic — without a navigator, you can become “lost.” However, players discovered that anchoring at any point resets your position calculation to exact coordinates, effectively giving you perfect positioning even without a navigator. Anchor once per day of sailing and you will never experience navigation drift.

Fleet Formation Exploit: When commanding a fleet of multiple ships, the game calculates fleet speed as an average of all vessels. If you fill your fleet with fast, lightly loaded Caravels and use your main Large Galleon only for cargo, the fleet speed calculation can be gamed by temporarily releasing the slow ships from your fleet at sea (leaving them at anchor), moving ahead with your fast ships, and then returning. This effectively lets a cargo-heavy fleet travel at combat-ship speeds for point-to-point routes.

Navigation Trick	Benefit	Discovery Era
Daily Anchor Reset	Perfect positioning without navigator officer	1993–1994 Japanese community
Fleet Speed Decoupling	Cargo fleet moves at fast-ship speed	1994–1995 US player community
Null Island Easter Egg	Dev message unlock	1993 Japanese
Hidden Port of Punt	Dramatically reduced luxury goods prices	1993–1994 Japanese magazines
Morale Fast-Travel	Emergency port call used as warp	1994–1996

Beneficial Glitches in the SNES Version

Price Freeze on Load: If you enter a port shop, view prices, exit, save immediately, and reload the save, the commodity prices are locked to the values shown before the reload for approximately 3–5 in-game days. This is a caching artifact in the SNES version’s save/load routine. Players use it to guarantee a favorable sell price on a full cargo hold even if the market would normally have shifted by the time they return. The Sega CD version does not exhibit this behavior — its price calculations run fresh on every port entry.

Officer Stat Overflow: Recruiting the same type of specialist officer (navigator, surgeon, accountant) more than once in a fleet does not properly average their stats in the SNES version — it applies the highest stat value from any officer of that type unconditionally. Hiring 4–5 mediocre navigators alongside one good one does not hurt your navigation score and may not cost as much as a single top-tier officer. Veteran players in the mid-1990s used this to build competent fleets for less gold than intended.

Battle Grid Edge Exploit: In sea battles that occur near the map grid boundary (far north or south Atlantic, extreme Pacific coordinates), the turn order calculation can stall if an enemy ship’s AI path-finding leads it to the map edge. The enemy AI will spend multiple turns attempting to navigate the boundary, giving the player free attack rounds. This is most reproducible in the southern Atlantic trade routes around the Cape of Good Hope.