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NES[edit]

The Konami Code[edit]

To receive one Speed-Up, Missiles, two Options, and Barrier, pause the game and enter the famous Konami Code: Up dpad Up dpad Down dpad Down dpad Left dpad Right dpad Left dpad Right dpad B button A button, and unpause the game. This can be performed once, plus one more time for each time a Big Core boss is destroyed before its core turns red.

Continue code[edit]

To continue the game from the start of the last stage you visited, enter the following code at the Game Over screen: Down dpad Up dpad B button A button B button A button B button A button Start button.

Secret message[edit]

Press and hold the A button and B button buttons on the second controller while you reset the machine.

Warps[edit]

Gradius NES Warp.png

There are three mechanisms in the game that allow you to warp ahead past one stage. They are only found in stages 1, 2, and 3. Warps are activated if you fulfill the proper conditions for each stage and defeat the Big Core on that stage. Once the warp is activated, you will rush through space while you encounter randomly positioned spinning Moai heads that you must dodge. The most you can warp is two times, once from stage 1 to stage 3, and again from stage 3 to stage 5.

Stage 1 warp: To activate the warp to stage 3, you must destroy each of the four hatches that appear on this stage when the thousands digit of your score is even. Of the four hatches, three are on the lower portion and one is on the upper portion.

Stage 2 warp: To activate the warp to stage 4, you must destroy the Big Core within two seconds of the core turning blue. This is only possible with very well placed shots from lasers.

Stage 3 warp: To activate the warp to stage 5, you must destroy 10 or more Moai statues. Use missiles to destroy bottom lying faces, and double-shot or options to destroy top lying faces.

Stage bonus[edit]

The first four stages contain two locations that you can fly the Vic Viper through to collect bonuses. One is a 5000 point bonus that you can collect unconditionally. The other is a 1-Up bonus that you can only collect if the thousands digit of your score is even. The fifth stage contains no bonuses, but the sixth stage does contain a 1-Up bonus. Remember that in order to collect the bonus, you must literally pass through the location indicated in the screenshot.

Stage 5000 point location 1-Up location
1 Gradius NES Stage11.gif Gradius NES Stage12.gif
2 Gradius NES Stage21.gif Gradius NES Stage22.gif
3 Gradius NES Stage31.gif Gradius NES Stage32.gif
4 Gradius NES Stage41.gif Gradius NES Stage42.gif
6 Gradius NES Stage61.gif

PC-Engine[edit]

Instant power-up[edit]

To receive one Speed-Up, Missiles, four Options, and Shields, pause the game and enter the famous Konami Code: Up dpad Up dpad Down dpad Down dpad Left dpad Right dpad Left dpad Right dpad II button I button, and unpause the game.

30 lives[edit]

To begin the game with 30 extra lives, press and hold Up dpad at the title screen, and press II button three times. Then start a new game.

MSX[edit]

Secret bonus stages[edit]

The MSX version of Gradius contains hidden entrances to secret bonus stages. If you occupy the correct location of four particular stages, you will be sent to a bonus stage similar in nature to the second stage, and advance to the next stage upon its completion. The bonus stages are analogous to the bonus stages found in the Super Nintendo conversion of Gradius III. They contain two new types of capsules; green and yellow. Green capsules provide you with one extra life. Yellow capsules provide you with an increasing number of bonus points, starting at 100 and increasing to a maximum of 10,000 points, but only if you never fail to collect a single capsule. If one yellow capsule scrolls off the screen, the point value will reset to 100. Some locations contain several yellow capsules and you must remain in place in order to collect all of them. Below are indications of every bonus stage entrance.

Stage 2 Stage 3
Gradius MSX Stage2.jpg Gradius MSX Stage3.jpg
Stage 4 Stage 7
Gradius MSX Stage4.jpg Gradius MSX Stage7.jpg

Play as Twinbee[edit]

Gradius MSX Twinbee.png

Most MSX consoles contained not one, but two cartridge slots. If you place Konami's TwinBee cartridge in the second slot while you play with Gradius in the first cartridge slot, you will play through the game as the TwinBee ship. Power-up capsules will take the form of bells (although they will not "fall" to the left side of the screen, as they do in TwinBee or Parodius) and your Options will be glowing outlines of TwinBee. Even the shield will look different.