Find related topics. | Discover entities. | See connections. | Build a topical map.
Building topical map: Starting…
R-Type: Legacy & Measurement
R-Type is a 1987 horizontally scrolling shooter video game developed and published by Irem for arcades. The player controls the R-9 "Arrowhead" starship in its efforts to destroy the Bydo, a powerful alien race bent on wiping out all of mankind. The R-9 can acquire a glowing orb called a "Force", giving limited protection from enemy fire and providing…
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
More settings
R-Type topic overview
The analysis highlights Legacy and Measurement as prominent areas in the source structure around R-Type.
Related topics
74
Source areas
6
Connected nodes
80
Extracted relationships
118
Concept neighborhoods
31
Bridge connections
80
What this topic covers Research coverage
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Legacy · 19 topics
Overview · 17 topics
Release and ports · 16 topics
Reception · 15 topics
Development · 5 topics
Gameplay · 2 topics
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
Key facts & relationships
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Genre
Scrolling shooter
Arcade system
Irem M72
Artists
Akio Oyabu · Yoshige
Composer
Masato Ishizaki
Designer
Abiko
Developer
Irem[a]
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How R-Type connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around R-Type shows recurring relationship patterns in the source. For example, R-Type → ArcadeJP: May 15, 1987EU: July 1987NA: October 1987 TurboGrafx-16JP: March 25, 1988 (part 1)JP: June 3, 1988 (part 2)NA: November 1989 Atari ST, C64, ZX SpectrumEU: September 19…, EU: 1989, EU: 1991, EU: 2007[citation needed], EU: July 1987, EU: July 20, 1999[citation needed], EU: September 1988, JP: December 20, 1991, JP: December 9, 1988[citation needed], JP: June 3, 1988 (part 2), JP: June 9, 1989[citation needed], JP: March 19, 1991, JP: March 25, 1988 (part 1), JP: May 15, 1987, JP: November 12, 1999, JP: October 1, 1988, JP: October 1988[citation needed], NA: December 1988, NA: June 28, 1999, NA: May 1991 Another extracted example is R-Type → Due, February, HuCards, Hudson Soft, It, May, NEC Home Electronics, North American, PC Engine/TurboGrafx-16, PlayStation, R-Type Dimensions, R-Type II, Stage, Taipu Tsū, Taipu Wan, The Japanese, The TurboGrafx-16, The Xbox Live Arcade, Tozai Games. Use these groups to spot repeated connection types before inspecting the individual relationships.
R-Type
Top relations
Release· 24
R-Type → ArcadeJP: May 15, 1987EU: July 1987NA: October 1987 TurboGrafx-16JP: March 25, 1988 (part 1)JP: June 3, 1988 (part 2)NA: November 1989 Atari ST, C64, ZX SpectrumEU: September 19…, EU: 1989, EU: 1991, EU: 2007[citation needed], EU: July 1987, EU: July 20, 1999[citation needed], EU: September 1988, JP: December 20, 1991, JP: December 9, 1988[citation needed], JP: June 3, 1988 (part 2), JP: June 9, 1989[citation needed], JP: March 19, 1991, JP: March 25, 1988 (part 1), JP: May 15, 1987, JP: November 12, 1999, JP: October 1, 1988, JP: October 1988[citation needed], NA: December 1988, NA: June 28, 1999, NA: May 1991
related to Release and ports· 19
R-Type → Due, February, HuCards, Hudson Soft, It, May, NEC Home Electronics, North American, PC Engine/TurboGrafx-16, PlayStation, R-Type Dimensions, R-Type II, Stage, Taipu Tsū, Taipu Wan, The Japanese, The TurboGrafx-16, The Xbox Live Arcade, Tozai Games
related to Legacy· 17
R-Type → Amiga, Armed Police Unit Gallop, Commodore, Factor, Flint, However, In, Irem, Katakis, Konami, Multiply, R-Type Force, R-Type II, The, Their XMultiply, Xexex, XMultiply
related to Computers· 16
R-Type → An, Best, Bit Coin-Op Conversion, Crash, Electric Dreams, Golden Joystick Awards, January, Operation Wolf, Sinclair User, Spectrum, The, The Games Machine, The ZX Spectrum, VG, Year, Your Sinclair
related to Arcade· 12
R-Type → Clare Edgeley, Commodore User, Computer, Game Machine, However, In Japan, It, Japan's, July, Later, The, Video Games
related to Consoles· 8
R-Type → According, ACE, In, Master System, Mean Machines, Mega Guide, PC Engine, Sega
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 118 structured relationships around R-Type. Examples in this analysis include R-Type → Arcade system → Irem M72 and R-Type → Artists → Akio Oyabu. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
R-Type
Arcade system
Irem M72
1.00
infobox
R-Type
Artists
Akio Oyabu
1.00
infobox
R-Type
Artists
Yoshige
1.00
infobox
R-Type
Composer
Masato Ishizaki
1.00
infobox
R-Type
Designer
Abiko
1.00
infobox
R-Type
Developer
Irem[a]
1.00
infobox
R-Type
Genre
Scrolling shooter
1.00
infobox
R-Type
Modes
Single-player, multiplayer
1.00
infobox
R-Type
Platform
TurboGrafx-16, Atari ST, Commodore 64, ZX Spectrum, Master System, PC-88, MSX2, X68000, Amiga, Amstrad CPC, Game Boy, Super CD-ROM², Game Boy Color, mobile phone, iOS, Android
1.00
infobox
R-Type
Producer
Kinte
1.00
infobox
R-Type
Programmers
Sum
1.00
infobox
R-Type
Programmers
Misachin
1.00
infobox
R-Type
Publishers
JP: Irem
1.00
infobox
R-Type
Publishers
NA: Nintendo
1.00
infobox
R-Type
Publishers
EU: Electrocoin
1.00
infobox
R-Type
Release
ArcadeJP: May 15, 1987EU: July 1987NA: October 1987 TurboGrafx-16JP: March 25, 1988 (part 1)JP: June 3, 1988 (part 2)NA: November 1989 Atari ST, C64, ZX SpectrumEU: September 19…
1.00
infobox
R-Type
Release
JP: May 15, 1987
1.00
infobox
R-Type
Release
EU: July 1987
1.00
infobox
R-Type
Release
NA: October 1987
1.00
infobox
R-Type
Release
JP: March 25, 1988 (part 1)
1.00
infobox
R-Type
Release
JP: June 3, 1988 (part 2)
1.00
infobox
R-Type
Release
NA: November 1989
1.00
infobox
R-Type
Release
EU: September 1988
1.00
infobox
R-Type
Release
JP: October 1, 1988
1.00
infobox
R-Type
Release
NA: December 1988
1.00
infobox
R-Type
Release
EU: 1989
1.00
infobox
R-Type
Release
JP: October 1988[citation needed]
1.00
infobox
R-Type
Release
JP: December 9, 1988[citation needed]
1.00
infobox
R-Type
Release
JP: June 9, 1989[citation needed]
1.00
infobox
R-Type
Release
JP: March 19, 1991
1.00
infobox
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around R-Type bring nearby vocabulary together. In this analysis, examples include Game, Released and Games. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
R-Type
Game
Released
Games
Turbografx-16
Arcade
Version
Developed
Published
Citation
Needed
Similar
Original
r-type
Game
Released
Games
Turbografx-16
Arcade
Version
Developed
Published
Citation
Needed
Similar
Original
video game
Arcade
R-type
Irem
Best
Developed
Published
Time
Turbografx-16
Games
One
Release
Citation
game boy color
Arcade
R-type
Turbografx-16
Games
Release
Citation
Needed
Original
Force
Released
Version
Irem
r-type dimensions
Game
Released
Games
Turbografx-16
Arcade
Version
Developed
Published
Citation
Needed
Similar
Original
xbox live arcade
Game
Turbografx-16
R-type
Time
Citation
Needed
Original
System
Games
Nintendo
Released
Version
table arcade cabinet
Game
Turbografx-16
R-type
Time
Citation
Needed
Original
System
Games
Nintendo
Released
Version
highest-grossing table arcade game of 1987
Arcade
Game
R-type
Turbografx-16
Time
Citation
Needed
Games
Original
System
Nintendo
Release
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For R-Type, one of the stronger structural bridges in this analysis connects R-Type with Legacy. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
R-Type
Nodes81
Edges80
Triples118
Avg. degree1.98
Density0.024691
Components1
Source & methodology
TTTA analyzes the structure around R-Type to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Legacy & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
